CN213379589U

CN213379589U - Stop gauge block processing with numerically controlled fraise machine's telescopic cutter head broach mechanism

Info

Publication number: CN213379589U
Application number: CN202022363286.3U
Authority: CN
Inventors: 王文强
Original assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Current assignee: Nanjing Faqiang Machinery Manufacturing Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-08
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a keep off material piece processing with numerically controlled fraise machine's telescopic cutter head broach mechanism relates to the milling machine broach field, including main shaft and handle of a knife, the handle of a knife is located the below of main shaft, and the top both sides of handle of a knife all are provided with the installation inserted bar. The utility model discloses a set up the second spring, the mounting groove, the installation inserted bar, threaded rod and nut, when need changing not unidimensional broach midway to keeping off material piece processing, the user gets off the nut from the surface knob of threaded rod, then take out the thread groove from the main shaft, the second spring of installation inserted bar both sides has the holding power to the installation inserted bar, prevent that the threaded rod from becoming flexible back handle of a knife directly coming off, the user takes out the handle of a knife again and trades new broach, during the new broach of installation, with the installation inserted bar at handle of a knife top from inserting the mounting groove, pass installation inserted bar and pull rod with the threaded rod again, twist the nut fixes the handle of a knife, make the dismantlement of handle of a knife simple and convenient, the time of changing the broach has been shortened.

Description

Stop gauge block processing with numerically controlled fraise machine's telescopic cutter head broach mechanism

Technical Field

The utility model relates to a milling machine broach field specifically is a keep off material piece processing with numerically controlled fraise machine's telescopic cutter head broach mechanism.

Background

A forming tool for broaching. The tool surface has a plurality of rows of cutter teeth, and the size and shape of each row of cutter teeth increase and change from the cutting-in end to the cutting-out end. As the broaching tool makes a broaching motion, each tooth cuts a thickness of metal from the workpiece to a desired size and shape. Broaches are commonly used in the machining of round holes, splined holes, keyways, flats, contoured surfaces, etc. in both batch and mass production with high productivity. The broaching tool is divided into an inner broaching tool and an outer broaching tool according to different processing surface parts; according to different stress modes in working, the broach is divided into a broach and a push broach. Push knives are commonly used to calibrate heat treated holes.

Present broach mechanism, the handle of a knife is not convenient for dismantle, the back handle of a knife just can be dismantled to the most back that need tear the pull rod open, the process is complicated, it is long to consume time, if when adding man-hour broach that needs to be changed to the fender piece, tool changing speed is slow, the efficiency to the fender piece processing has been reduced, in addition, the main shaft is when high-speed operation, the main shaft motion also can be followed to the pull rod, the pull rod is direct to rub with the main shaft, long-term the use back, the outer wall of pull rod produces wearing and tearing easily, and the main shaft is after long-time work, the inside heat that can produce of main shaft, untimely the emission easily causes the.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that a cutter handle is not easy to detach, a pull rod is easy to wear and the heat in a main shaft is large, a telescopic cutter head broaching mechanism of a numerical control milling machine for machining a material blocking block is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stop gauge block processing with numerically controlled fraise machine's telescopic cutter head broach mechanism, includes main shaft and handle of a knife, the handle of a knife is located the below of main shaft, the top both sides of handle of a knife all are provided with the installation inserted bar, the surface of main shaft is provided with the heating panel, the top of main shaft is provided with first spring, the top of first spring is connected with the press plate, the bottom of press plate is connected with the pull rod, the both sides of pull rod all are provided with moist gleitbretter, one side below of main shaft is provided with the threaded rod, the nut has been cup jointed to surface one side of threaded rod, the mounting groove has been seted up to the bottom both sides of main shaft, the inside of main shaft is provided with the cooling tube.

Preferably, the threaded rod penetrates through the inner part of the main shaft, and the nut is in threaded connection with the threaded rod.

Preferably, the tool shank is detachably connected with the main shaft through the mounting groove and the mounting insert rod.

Preferably, the outer surface of the heat dissipation plate is provided with a plurality of heat dissipation holes.

Preferably, the lubricating pieces are provided with two, and the two lubricating pieces are in close contact with the pull rod.

Preferably, the number of the cooling pipes is two, and the two cooling pipes are symmetrically arranged along the central line of the longitudinal axis of the main shaft.

Preferably, threaded grooves are formed in the installation insertion rod and the pull rod, and the first spring and the second spring are made of carbon spring steel wires.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the second spring, the mounting groove, the installation inserted bar, threaded rod and nut, when need to change not unidimensional broach midway in stopping material piece processing, the user gets off the nut from the surface knob of threaded rod, then take out the thread groove from the main shaft, the second spring of installation inserted bar both sides has the holding power to the installation inserted bar, prevent that the threaded rod from becoming flexible back handle of a knife directly coming off, the user takes out the handle of a knife again and trades new broach, when installing new broach, with the installation inserted bar of handle of a knife top from inserting the mounting groove, pass installation inserted bar and pull rod with the threaded rod again, twist the nut and fix the handle of a knife, make the dismantlement of handle of a knife simple and convenient, shortened the time of changing the broach, improved the machining efficiency who keeps off the material piece;

2. the utility model discloses a set up moist gleitbretter, cooling tube and heating panel, when the main shaft drives the pull rod and rotates, the friction between lubricated piece can effectual reduction pull rod and the main shaft, avoid the pull rod to take place wearing and tearing, the life of pull rod has been prolonged, after the main shaft functions for a long time, the cooling tube can absorb the heat that the main shaft produced, make the inside temperature of main shaft reduce, the radiating rate of main shaft can be accelerated to a plurality of louvres on the heating panel, other parts in the inside high temperature damage main shaft of main shaft have been prevented effectively.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the spindle of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. a main shaft; 2. a heat dissipation plate; 3. a pressing plate; 4. a first spring; 5. a threaded rod; 6. a nut; 7. a knife handle; 8. a cooling tube; 10. a pull rod; 11. lubricating the sheet; 12. mounting grooves; 13. installing an inserted link; 14. a second spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a retractable cutter head broaching mechanism of a numerically controlled milling machine for material stop block processing comprises a main shaft 1, a heat dissipation plate 2, a pressing plate 3, a first spring 4, a threaded rod 5, a nut 6, a cutter handle 7, a cooling tube 8, a pull rod 10, a lubricating sheet 11, a mounting groove 12, a mounting inserted link 13 and a second spring 14; handle of a knife 7 is located main shaft 1's below, the top both sides of handle of a knife 7 all are provided with installation inserted bar 13, main shaft 1's surface is provided with heating panel 2, main shaft 1's top is provided with first spring 4, first spring 4's top is connected with presses platen 3, press platen 3's bottom is connected with pull rod 10, pull rod 10's both sides all are provided with moist gleitbretter 11, one side below of main shaft 1 is provided with threaded rod 5, nut 6 has been cup jointed to surface one side of threaded rod 5, mounting groove 12 has been seted up to main shaft 1's bottom both sides, main shaft 1's inside is provided with cooling tube 8, main shaft 1's inside below is provided.

Please refer to fig. 1-3, the threaded rod 5 penetrates the interior of the main shaft 1, the nut 6 is in threaded connection with the threaded rod 5, the nut 6 is convenient for fixing the threaded rod 5, the knife handle 7 is detachably connected with the main shaft 1 through the mounting groove 12 and the mounting insertion rod 13, and the knife handle 7 can be quickly detached and mounted through the mounting insertion rod 13 and the mounting groove 12.

Please refer to fig. 1, 2 and 4, the outer surface of the heat dissipating plate 2 is provided with a plurality of heat dissipating holes, the heat dissipating holes on the heat dissipating plate 2 can increase the heat dissipating speed of the spindle 1, and two lubricating pieces 11 are provided, and the two lubricating pieces 11 are in close contact with the pull rod 10, so that the lubricating pieces 11 can effectively reduce the friction between the pull rod 10 and the spindle 1, and avoid the abrasion of the pull rod 10.

Please refer to fig. 1-4, two cooling pipes 8 are provided, and the two cooling pipes 8 are symmetrically arranged along the central line of the longitudinal axis of the main shaft 1, the inner portions of the mounting inserted bar 13 and the pull rod 10 are both provided with thread grooves, the cooling pipes 8 can absorb heat generated by the main shaft 1, so that the temperature inside the main shaft 1 is reduced, the first spring 4 and the second spring 14 are both made of carbon spring steel wire material, and the plurality of second springs 14 are convenient for supporting the mounting inserted bar 13 and preventing the knife handle 7 from directly falling off.

The working principle is as follows: firstly, when the broach with different sizes needs to be replaced in the middle of processing the material blocking block, a user turns the nut 6 off from the outer surface of the threaded rod 5, then the threaded rod 5 is drawn out from the main shaft 1, the second springs 14 on the two sides of the installation inserting rod 13 have supporting force for the installation inserting rod 13, the knife handle 7 is prevented from directly falling off after the threaded rod 5 is loosened, the user takes the knife handle 7 out to replace a new broach, when the new broach is installed, the installation inserting rod 13 on the top of the knife handle 7 is inserted into the installation groove 12, the threaded rod 5 penetrates through the installation inserting rod 13 and the pull rod 10, the nut 6 is twisted to fix the knife handle 7, so that the knife handle 7 is simple and convenient to disassemble, when the main shaft 1 drives the pull rod 10 to rotate, the lubrication piece 11 can effectively reduce the friction force between the pull rod 10 and the main shaft 1, the abrasion of the pull rod 10 is avoided, and when the main shaft 1 operates for a long time, the cooling pipe, the temperature in the main shaft 1 is reduced, the heat dissipation speed of the main shaft 1 can be accelerated through the plurality of heat dissipation holes in the heat dissipation plate 2, and other parts in the main shaft are effectively prevented from being damaged due to overhigh temperature in the main shaft 1.

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.

Claims

1. The utility model provides a stop gauge processing with numerically controlled fraise machine's telescopic cutter head broach mechanism, includes main shaft (1) and handle of a knife (7), its characterized in that: the knife handle (7) is positioned below the main shaft (1), the two sides of the top of the knife handle (7) are respectively provided with an installation inserted bar (13), a heat dissipation plate (2) is arranged on the outer surface of the main shaft (1), a first spring (4) is arranged at the top of the main shaft (1), the top of the first spring (4) is connected with a pressing plate (3), the bottom of the pressing plate (3) is connected with a pull rod (10), lubricating sheets (11) are arranged on two sides of the pull rod (10), a threaded rod (5) is arranged below one side of the main shaft (1), a nut (6) is sleeved on one side of the outer surface of the threaded rod (5), mounting grooves (12) are formed in two sides of the bottom of the main shaft (1), the cooling device is characterized in that a cooling pipe (8) is arranged inside the main shaft (1), and a second spring (14) is arranged below the inside of the main shaft (1).

2. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: the threaded rod (5) penetrates through the interior of the main shaft (1), and the nut (6) is in threaded connection with the threaded rod (5).

3. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: the tool shank (7) is detachably connected with the main shaft (1) through the mounting groove (12) and the mounting insert rod (13).

4. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: the outer surface of the heat dissipation plate (2) is provided with a plurality of heat dissipation holes.

5. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: the lubricating pieces (11) are arranged in two numbers, and the lubricating pieces (11) are in close contact with the pull rod (10).

6. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: the two cooling pipes (8) are arranged, and the two cooling pipes (8) are symmetrically arranged along the central line of the longitudinal axis of the main shaft (1).

7. The retractable cutter head broaching mechanism of the numerically controlled milling machine for the material blocking block machining, which is characterized in that: threaded grooves are formed in the installation inserting rod (13) and the pull rod (10), and the first spring (4) and the second spring (14) are made of carbon spring steel wire materials.