CN217394318U

CN217394318U - Drilling tool for lathe machining

Info

Publication number: CN217394318U
Application number: CN202220328474.9U
Authority: CN
Inventors: 廉政
Original assignee: Baoding Datong Casting And Forging Co ltd
Current assignee: Baoding Datong Casting And Forging Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-09-09
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a drilling frock is used in lathe processing, including drill bit, extension pipe and dress dop, drill bit, extension pipe and dress dop are coaxial fixed connection together from front to back in proper order, the diameter of drill bit is greater than the external diameter of extension pipe, dress dop can dress card to the lathe tailstock; the extension pipe faces towards the middle hole in one end of the drill bit to be communicated with the chip groove of the drill bit, and the extension pipe faces towards one end of the clamping head to be provided with a connector communicated with cutting fluid. The utility model discloses drilling frock is used in lathe processing can process the longer axle mesopore, and is with low costs, and processingquality is good.

Description

Drilling tool for lathe machining

Technical Field

The utility model relates to a lathe machining facility technical field especially relates to a lathe machining is with drilling frock.

Background

For the drilling machine, with the mesopore of lathe processing axle type part, can process the axle mesopore of great diameter, and the operating efficiency is high. However, the longer shaft center hole is machined, the customized long drill bit is needed for machining, and the cost is higher. And moreover, scrap iron is not easy to discharge from the customized long drill bit, cooling liquid is not easy to enter, and the scrap iron is squeezed to easily cause the breakage of the drill bit with the overlong cantilever. During drilling, the drill needs to be lifted to cool scrap iron, the machining is time-consuming and labor-consuming, and the efficiency is low.

Of course, if a conventional drill bit is used, the problem of offset and staggering of joints is often caused by the adoption of a mode of drilling holes in opposite ends, and the machining quality cannot be guaranteed.

Therefore, it is necessary to develop a drilling tool for lathe machining in view of the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lathe work is with drilling frock can process the longer axle mesopore, and is with low costs, and processingquality is good.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a lathe work is with drilling frock, including drill bit, extension pipe and dress dop, drill bit, extension pipe and dress dop are coaxial fixed connection together from front to back in proper order, the diameter of drill bit is greater than the external diameter of extension pipe, dress dop can dress card to the lathe tailstock; the extension pipe faces towards the middle hole in one end of the drill bit and is communicated with the chip groove of the drill bit, and the extension pipe faces towards one end of the clamping head and is provided with a connector communicated with cutting fluid.

Furthermore, the drill bit is a straight shank twist drill, a first positioning table is coaxially arranged at the tail end of the straight shank twist drill, and the first positioning table is inserted into the end of the middle hole of the elongated tube in a positioning mode.

Furthermore, one end of the lengthened pipe, which faces the drill bit, is provided with a notch groove, and the length of the notch groove is greater than the height of the first positioning table; the tail end of the straight shank twist drill is provided with a communicating groove, and the front end of the communicating groove is communicated with the rear end of the chip groove to align the notch groove.

Furthermore, the tail part of the clamping head is provided with a taper shank end, and the taper shank end is clamped in a taper sleeve of a lathe tailstock; the front end face of the clamping head is coaxially provided with a second positioning table which is a circular ring table, and the inner edge of the circular ring table is clamped with the rear end of the lengthened pipe.

The quick-connection joint is in threaded connection with a threaded hole in the outer wall of the clamping head, a bottom hole of the threaded hole is communicated with a middle hole of the lengthened pipe through a pore channel, and the quick-connection joint can be quickly connected with a cutting fluid supply pipeline.

Further, the outer diameter of the lengthening pipe is 1-3 mm smaller than the diameter of the drill bit.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a lathe processing is with drilling frock through the coaxial extension pipe and the dress chuck of connecting gradually of tail end at the drill bit, has increased drilling length, is convenient for install simultaneously on the lathe tailstock, and the customization drill bit that purchases expensive can be avoided moreover to the self-control. The chip groove of extension pipe front end intercommunication drill bit, the rear end sets up the interface of cutting fluid, can directly channel into the cutting operation face with the cutting fluid and cool down, avoids appearing the condition that the drill bit rupture or the cutting edge that the work overheat leads to damages. The utility model discloses drilling frock is used in lathe processing can process the longer axle mesopore, and is with low costs, and processingquality is good.

In addition, the first positioning table is inserted at the end of the middle hole of the lengthened pipe in a positioning manner, so that the coaxial assembly of the first positioning table and the lengthened pipe before welding is ensured, and the coaxiality of the drill bit and the lengthened pipe is ensured; through the setting of intercommunication groove and opening groove, can be with leading-in the chip groove of cutting fluid that the extension tube mesopore was introduced, and then directly enter into cutting edge working face, the cooling effect is good. Through the coaxial setting of second locating platform at the preceding terminal surface of dress dop, can lengthen pipe and the coaxial assembly of dress dop before the welding, the girth welding of being convenient for simultaneously. Through the setting of quick-operation joint, the quick connection cutting fluid supply line of being convenient for has improved the operating efficiency.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic view of a main view structure of the drilling tool for lathe machining of the present invention;

fig. 2 is the utility model discloses lathe work is with drilling frock main view sectional structure schematic diagram.

Description of reference numerals: 1. a drill bit; 101. a first positioning table; 102. a communicating groove; 2. lengthening a pipe; 201. a notch groove; 3. installing a chuck; 301. a taper shank end; 302. a second positioning table; 4. and (4) quickly connecting a joint.

Detailed Description

The core of the utility model is to provide a drilling frock is used in lathe work, can process the longer axle mesopore, with low costs, processingquality is good.

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the 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 understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In one embodiment, as shown in fig. 1 and 2, a drilling tool for lathe machining includes a drill bit 1, an extension pipe 2 and a clamping head 3. Drill bit 1, extension pipe 2 and dress chuck 3 from preceding coaxial welding in proper order are in the same place backward, and the diameter of drill bit 1 is greater than the external diameter of extension pipe 2, and the external diameter of extension pipe 2 is less than 1 ~ 3 millimeters of drill bit diameter, and extension pipe 2 is greater than the length that needs drilling. The chuck head 3 can be clamped to a lathe tailstock. The end of the lengthened pipe 2 facing the drill bit 1 is provided with a hole communicated with a chip groove of the drill bit 1, and the end of the lengthened pipe 2 facing the clamping head 3 is provided with a connector communicated with cutting fluid.

Through the coaxial extension pipe 2 and the dress chuck 3 of connecting gradually of tail end at drill bit 1, increased drilling length, be convenient for install simultaneously on the lathe tailstock, the customization drill bit that purchase was expensive can be avoided in the self-control moreover. Through the chip groove of extension pipe 2 front end intercommunication drill bit 1, the rear end sets up the interface of cutting fluid, can directly channel into the cutting operation face with the cutting fluid and cool down, avoids appearing the condition that the drill bit rupture that the work is overheated to result in or the cutting edge damages. The utility model discloses lathe processing is with drilling frock can process the longer axle mesopore, and is with low costs, and processingquality is good.

In a specific embodiment of the present invention, as shown in fig. 2, the drill bit 1 is a straight shank twist drill, the tail end of the straight shank twist drill is coaxially provided with a first positioning table 101, and the first positioning table 101 is inserted into the hole end of the elongated tube 2.

Specifically, as shown in fig. 1 and 2, the elongated tube 2 has a notch 201 formed at one end facing the drill 1, and the length of the notch 201 is greater than the height of the first positioning table 101. The tail end of the straight shank twist drill is provided with a communicating groove 102, and the front end of the communicating groove 102 is communicated with the rear end of the chip discharge groove to align with the notch groove 201. The two chip discharge grooves are provided with a communication groove 102 and a notch groove 201.

The first positioning table 101 is inserted into the end of the middle hole of the elongated tube 2 in a positioning manner, so that the two are coaxially assembled before welding, and the coaxiality of the drill bit 1 and the elongated tube 2 is ensured; through the arrangement of the communicating groove 102 and the notch groove 201, the cutting fluid introduced from the hole in the lengthened pipe 2 can be introduced into the chip groove, and then directly enters the working surface of the cutting edge, so that the cooling effect is good.

In a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the tail of the mounting chuck 3 is set as a taper shank end 301, and the taper shank end 301 is mounted and clamped in the taper sleeve of the lathe tailstock, and the tapers of the two are the same. The front end face of the clamping head 3 is coaxially provided with a second positioning table 302, the second positioning table 302 is a circular ring table, and the inner edge of the circular ring table is clamped with the rear end of the elongated tube 2. The outer side of the circular ring table is welded with the outer wall of the lengthening pipe 2 in an annular sealing mode.

Particularly, as shown in fig. 1 and 2, the utility model discloses drilling frock is used in lathe work still includes quick-operation joint 4, and quick-operation joint 4 threaded connection is in the screw hole on the 3 outer walls of clamping head, and the bottom outlet of screw hole communicates the mesopore of extension pipe 2 through the pore, and quick-operation joint 4 can the high-speed joint cutting fluid supply line.

Through the coaxial setting of second locating platform 302 at the preceding terminal surface of dress dop 3, can lengthen pipe 2 and dress dop 3 coaxial assembly before the welding, the girth welding of being convenient for simultaneously welds. Through the setting of quick-operation joint 4, the quick connection cutting fluid supply pipeline of being convenient for has improved the operating efficiency.

The utility model discloses lathe machining is with drilling frock during operation: and (3) clamping the shaft parts needing to be drilled on a chuck of a lathe, and erecting a central frame if the shaft cantilever is long. Will the utility model discloses lathe processing is with drilling frock passes through taper shank end 301 dress card to lathe tailstock awl sleeve in, connects the public head of cutting fluid supply pipe to connect 4 soon on. Locking a lathe tailstock, starting a lathe spindle to rotate, shaking a tailstock hand wheel, and starting drilling. It should be noted that, in the drilling process of the long hole, especially in the second half, the row 1 of iron cuttings of the drill bit needs to be withdrawn frequently, so that the drill bit is prevented from being broken due to unsmooth chip removal.

The utility model discloses lathe processing is with drilling frock through the coaxial extension pipe 2 and the dress chuck 3 of connecting gradually of tail end at drill bit 1, has increased drilling length, is convenient for install the lathe tailstock simultaneously on, the self-control can have avoided purchasing expensive customization drill bit moreover. Through the chip groove of extension pipe 2 front end intercommunication drill bit 1, the rear end sets up the interface of cutting fluid, can directly channel into the cutting operation face with the cutting fluid and cool down, avoids appearing the condition that the drill bit rupture that the work is overheated to result in or the cutting edge damages. The utility model discloses lathe processing is with drilling frock can process the longer axle mesopore, and is with low costs, and processingquality is good. In addition, the first positioning table 101 is positioned and inserted at the end of the middle hole of the elongated tube 2, so that the coaxial assembly of the first positioning table and the elongated tube 2 before welding is ensured, and the coaxiality of the drill bit 1 and the elongated tube 2 is ensured; through the arrangement of the communicating groove 102 and the notch groove 201, the cutting fluid introduced from the hole in the lengthened pipe 2 can be introduced into the chip groove, and then directly enters the working surface of the cutting edge, so that the cooling effect is good. Through the coaxial setting of second locating platform 302 at the preceding terminal surface of clamping head 3, can be before the welding extension pipe 2 with the coaxial assembly of clamping head 3, the circumferential weld of being convenient for simultaneously welds. Through the setting of quick-connect joint 4, the quick connection cutting fluid supply line of being convenient for has improved the operating efficiency.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a lathe work is with drilling frock which characterized in that: the drilling tool comprises a drill bit (1), an elongated tube (2) and a clamping head (3), wherein the drill bit (1), the elongated tube (2) and the clamping head (3) are sequentially and coaxially and fixedly connected together from front to back, the diameter of the drill bit (1) is larger than the outer diameter of the elongated tube (2), and the clamping head (3) can be clamped on a lathe tailstock; the extension pipe (2) faces towards the middle hole in one end of the drill bit (1) to be communicated with the chip groove of the drill bit (1), and the extension pipe (2) faces towards one end of the clamping head (3) to be provided with a connector communicated with cutting fluid.

2. The drilling tool for lathe machining according to claim 1, wherein: the drill bit (1) is a straight-handle twist drill, a first positioning table (101) is coaxially arranged at the tail end of the straight-handle twist drill, and the first positioning table (101) is positioned and inserted at the end of a middle hole of the elongated tube (2).

3. The drilling tool for lathe machining according to claim 2, wherein: one end of the lengthened pipe (2) facing the drill bit (1) is provided with an opening groove (201), and the length of the opening groove (201) is greater than the height of the first positioning table (101); the tail end of the straight shank twist drill is provided with a communicating groove (102), and the front end of the communicating groove (102) is communicated with the rear end of the chip groove to align the notch groove (201).

4. The drilling tool for lathe machining according to claim 1, wherein: the tail part of the clamping head (3) is provided with a taper shank end (301), and the taper shank end (301) is clamped in a taper sleeve of a lathe tailstock; the front end face of the clamping head (3) is coaxially provided with a second positioning table (302), the second positioning table (302) is a circular table, and the inner edge of the circular table is clamped with the rear end of the lengthened pipe (2).

5. The drilling tool for lathe machining according to claim 4, wherein: the cutting fluid quick connector is characterized by further comprising a quick connector (4), the quick connector (4) is in threaded hole in the outer wall of the clamping head (3), a bottom hole of the threaded hole is communicated with a middle hole of the lengthened pipe (2) through a pore channel, and the quick connector (4) can be quickly connected with a cutting fluid supply pipeline.

6. The drilling tool for lathe machining according to claim 1, wherein: the outer diameter of the lengthened pipe (2) is smaller than the diameter of the drill bit (1) by 1-3 mm.