CN216263930U

CN216263930U - Elastic threading tool

Info

Publication number: CN216263930U
Application number: CN202122418628.1U
Authority: CN
Inventors: 吴登顺
Original assignee: Guangdong Weiding Cnc Technology Co ltd
Current assignee: Guangdong Weiding Cnc Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-12
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to the technical field of numerical control turning tools, in particular to an elastic threading tool. The technical scheme comprises the following steps: including cutter arbor and blade, the one end of cutter arbor is fixed with the blade clamp splice, set up the blade standing groove of placing the blade on the blade clamp splice, the one side intercommunication that is close to the cutter arbor of blade standing groove has been seted up and has been slotted, and the upside formation of slotting and blade standing groove has certain elastic portion that compresses tightly, and the bottom of blade standing groove is provided with the triangle that a plurality of distributes along blade standing groove length direction and hinders the piece, and the downside of blade is seted up a plurality of and is hindered a assorted triangle and hinder the groove. The utility model can adjust the stable extending length of the blade according to the actual processing requirement, thereby avoiding the need of grinding the blade or the blade clamping block, reducing the operation intensity of operators and improving the operation efficiency.

Description

Elastic threading tool

Technical Field

The utility model relates to the technical field of numerical control turning tools, in particular to an elastic threading tool.

Background

In the aircraft engine manufacturing industry, workpieces which are connected or driven by threads are often encountered, and particularly for some shaft workpieces, the outer diameter region of the workpiece has a threaded structure. The threads are turned by a numerical control lathe or a general lathe generally, but when the threads are turned, the depth of the threads to be cut is deep, the blade or the cutter bar interferes with a workpiece, machining is affected, a cutter point of the blade or the lower side of the cutter bar is ground by a worker, and great operation strength is brought to the worker.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a threading tool capable of adjusting the length of a blade aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides an elasticity threading tool, includes cutter arbor and blade, and the one end of cutter arbor is fixed with the blade clamp splice, set up the blade standing groove of placing the blade on the blade clamp splice, the one side intercommunication that is close to the cutter arbor of blade standing groove has seted up and has slotted, and the upside formation of slotting and blade standing groove has certain elastic portion that compresses tightly, and the bottom of blade standing groove is provided with the triangle that a plurality of distributes along blade standing groove length direction and hinders the piece, and the downside of blade has been seted up a plurality of and has been hindered a assorted triangle and hinder the groove.

Preferably, a circular through hole is formed in the pressing portion, a threaded inner hole formed in the blade clamping block is formed in the lower side of the circular through hole, a pressing screw is arranged in the circular through hole, and the lower end of the pressing screw penetrates through the circular through hole and is in threaded connection with the threaded inner hole.

Preferably, the upper end of the circular through hole is provided with a circular chamfer.

Preferably, the blade is strip-shaped, and sharp corners for cutting threads are machined at two ends of the blade.

Preferably, the bottom of the slot is provided with a longitudinal positioning rod extending along the length direction of the blade holding groove, and one side of the longitudinal positioning rod, which is far away from the cutter bar, is provided with a straight chamfer.

Preferably, the lower side of the blade is provided with a longitudinal positioning groove matched with the longitudinal positioning rod.

Preferably, the blade is provided with a long through hole.

Compared with the prior art, the utility model has the following beneficial technical effects:

the length of the blade which stably extends out can be adjusted according to actual processing requirements, so that the blade or the blade clamping block is prevented from being abraded, and the operation intensity of operators is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a bottom perspective view of the blade of fig. 1.

Reference numerals: the cutter comprises a cutter bar 1, a blade clamping block 2, a blade placing groove 3, a slot 4, a longitudinal positioning rod 5, a triangular blocking block 6, a threaded inner hole 7, a circular through hole 8, a pressing part 9, a pressing screw rod 10, a blade 11, a long through hole 12, a longitudinal positioning groove 13 and a triangular blocking groove 14.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the elastic threading tool provided by the utility model comprises a tool bar 1 and a blade 11, wherein a blade clamping block 2 is fixed at one end of the tool bar 1, the lower side of the blade clamping block 2 is arranged in an inclined manner, so that the blade clamping block 2 can be prevented from interfering with a workpiece, a blade placing groove 3 for placing the blade 11 is formed in the blade clamping block 2, one side of the blade placing groove 3, which is close to the tool bar 1, is communicated with a slot 4, a pressing part 9 with certain elasticity is formed by the slot 4 and the upper side of the blade placing groove 3, a plurality of triangular blocking blocks 6 distributed along the length direction of the blade placing groove 3 are arranged at the bottom of the blade placing groove 3, and a plurality of triangular blocking grooves 14 matched with the triangular blocking blocks 6 are formed in the lower side of the blade 11;

the utility model discloses a cutter blade of cutting device, including blade clamp splice 2, blade 11, blade resistance piece, blade groove 14, the last circular through-hole 8 of having seted up of portion 9 compresses tightly, and the downside of circular through-hole 8 is provided with the screw thread hole 7 of seting up in blade clamp splice 2, is provided with compression screw 10 in the circular through-hole 8, and compression screw 10's lower extreme runs through circular through-hole 8 and passes through threaded connection with screw thread hole 7, circular chamfer has been seted up to circular through-hole 8's upper end, and circular chamfer can make compression screw 10's head enter into in the chamfer, blade 11 is rectangular shape, and the both ends processing of blade 11 has the closed angle that the cutting thread was used, microscler through-hole 12 has been seted up to blade 11, and compression screw 10 can pass microscler through-hole 12 in entering into screw thread hole 7, and setting up of microscler through-hole 12 can be when different triangle resistance piece 6 and triangle resistance groove 14 cooperations, and compression screw 10 all can pass microscler through-shaped through-hole 12.

In the embodiment, when the cutting tool is used, the blade 11 can be plugged into the blade placing groove 3, the blade placing groove 3 is moved, the triangular blocking block 6 enters the corresponding triangular blocking groove 14 to be matched with each other, when the triangular blocking block 6 is matched with the triangular blocking groove 14, the resistance of the blade 11 can be increased, the blade 11 is prevented from being deviated when cutting force is applied, the machining precision is influenced, the compression screw 10 is plugged into the circular through hole 8 and the long through hole 12 and is in threaded connection with the threaded inner hole 7, the compression screw 10 is locked, the compression screw 10 can gradually extrude the compression part 9 downwards, the blade 11 can be compressed and fixed after the compression part 9 extrudes downwards, when the triangular blocking grooves 14 at different positions are matched with the triangular blocking blocks 6, the length of the blade 11 extending out of the blade placing groove 3 is different, the length of the blade 11 extending out can be adjusted according to actual machining needs, and therefore the blade 11 or the blade clamping block 2 is prevented from being ground, the operation intensity of the operator is reduced.

Example two

As shown in fig. 1-3, the elastic threading tool provided by the utility model comprises a tool bar 1 and a blade 11, wherein a blade clamping block 2 is fixed at one end of the tool bar 1, a blade placing groove 3 for placing the blade 11 is formed in the blade clamping block 2, a slit 4 is communicated with one side of the blade placing groove 3 close to the tool bar 1, a pressing part 9 with certain elasticity is formed at the upper side of the slit 4 and the blade placing groove 3, a plurality of triangular blocking blocks 6 distributed along the length direction of the blade placing groove 3 are arranged at the bottom of the blade placing groove 3, and a plurality of triangular blocking grooves 14 matched with the triangular blocking blocks 6 are formed at the lower side of the blade 11;

this embodiment still includes, the bottom of slotting 4 is provided with the longitudinal positioning pole 5 along the extension of 3 length direction of blade standing groove, and one side that the cutter arbor 1 was kept away from to longitudinal positioning pole 5 is provided with straight chamfer, the downside of blade 11 seted up with 5 assorted longitudinal positioning groove 13 of longitudinal positioning pole, the setting up of straight chamfer can make longitudinal positioning pole 5 can be more convenient aim at with longitudinal positioning groove 13, and longitudinal positioning pole 5 can fix a position the fore-and-aft position of blade 11 with longitudinal positioning groove 13 to avoid blade 11 to take place the deviation, improve the machining precision.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides an elasticity threading tool, includes cutter arbor (1) and blade (11), the one end of cutter arbor (1) is fixed with blade clamp splice (2), its characterized in that: offer blade standing groove (3) of placing blade (11) on blade clamp splice (2), one side intercommunication that is close to cutter arbor (1) of blade standing groove (3) has seted up and has slotted (4), and the upside formation of slotting (4) and blade standing groove (3) has certain elastic portion of compressing tightly (9), the bottom of blade standing groove (3) is provided with a plurality of and hinders piece (6) along the triangle that blade standing groove (3) length direction distributes, the downside of blade (11) is seted up a plurality of and is hindered piece (6) assorted triangle and hinder groove (14).

2. An elastic threading tool according to claim 1, characterized in that the compressing portion (9) is provided with a circular through hole (8), a thread inner hole (7) provided in the blade holder (2) is provided at the lower side of the circular through hole (8), a compressing screw (10) is provided in the circular through hole (8), and the lower end of the compressing screw (10) penetrates through the circular through hole (8) and is in threaded connection with the thread inner hole (7).

3. An elastic threading tool according to claim 2, characterized in that the upper end of the circular through hole (8) is provided with a round chamfer.

4. A resilient threading tool according to claim 1, characterized in that the insert (11) is elongated and that sharp corners for cutting threads are provided at both ends of the insert (11).

5. An elastic threading tool according to claim 1 or 4, characterized in that the bottom of the slit (4) is provided with a longitudinal positioning rod (5) extending in the length direction of the blade placement groove (3), and that the side of the longitudinal positioning rod (5) facing away from the tool shank (1) is provided with a straight chamfer.

6. An elastic threading tool according to claim 5, characterized in that the lower side of the blade (11) is provided with a longitudinal positioning groove (13) matching the longitudinal positioning rod (5).

7. An elastic threading tool according to claim 1 or 4, characterized in that the insert (11) is provided with an elongated through hole (12).