CN213317746U

CN213317746U - Arc T-shaped cutter with replaceable cutter head

Info

Publication number: CN213317746U
Application number: CN202022011517.4U
Authority: CN
Inventors: 周文斌
Original assignee: Changzhou Jingerrui Tool Manufacturing Co ltd
Current assignee: Changzhou Jingerrui Tool Manufacturing Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-01
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an arc T type sword of removable tool bit, including base, handle of a knife, fixed block one, fixture block one, tool bit mount pad, head of a knife part, cutting edge, threaded rod, telescopic link, buffer spring, fastening bolt, fastening nut, fixture block two, connecting plate, fixed block two, flexible interior pole, flexible outer pole, connecting block and compression spring. The utility model has the advantages that: set up T type groove in the fixed block one, and fixture block one is T type fixture block, be convenient for carry on spacingly fixed with handle of a knife and cutter head spare, the telescopic link includes flexible interior pole and flexible outer pole, convenient to detach gets up more conveniently, all set up on tool bit mount pad and the fixture block two with fastening bolt matched with screw hole, prevent lax in the use, two inside screw holes of having seted up of fixed block, and the threaded rod cooperatees with the screw hole, be convenient for fix handle of a knife and cutter head spare, the cutter head spare is fixed on the tool bit mount pad through the welded mode, be convenient for change the cutter head spare.

Description

Arc T-shaped cutter with replaceable cutter head

Technical Field

The utility model relates to a T type sword specifically is an arc T type sword of removable tool bit, belongs to cutting tool technical field.

Background

With the continuous development of economy and the continuous progress of society, powerful financial resources and technical pillars are provided for the development of industrial enterprises, so that the development of the industrial enterprises towards the direction of intellectualization, numerical control and integration is promoted. Wherein, in the numerical control processing, through installing T type sword on the main shaft of digit control machine tool, the rotation of the main shaft of digit control machine tool drives T type sword rotatory again to carry out rotary cutting to the work piece by rotatory T type sword, thereby very make things convenient for the digit control machine tool to carry out grooving processing, cut off processing etc. to the work piece, consequently, T type sword is the cutter very commonly used in the numerical control processing.

In the existing arc-shaped T-shaped cutter, the cutter holder and the cutter head are of a non-detachable integrated structure, so that after the cutter head is abraded to reach an abrasion stroke, the T-shaped cutter at the moment is integrally scrapped, the whole T-shaped cutter needs to be detached from a main shaft of a numerical control machine tool, and a new T-shaped cutter is replaced, so that the use efficiency is low, and the use cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an arc T type sword of removable tool bit in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an arc T-shaped knife with a replaceable knife head comprises a base, a knife handle, a first fixing block, a first clamping block, a knife head mounting seat, a knife head component, a knife edge, a threaded rod, a telescopic rod, a buffer spring, a fastening bolt, a fastening nut, a second clamping block, a connecting plate, a second fixing block, a telescopic inner rod, a telescopic outer rod, a connecting block and a compression spring; the upper end of the base is fixedly connected with a knife handle, both sides of the knife handle are fixedly connected with a first fixing block and a second fixing block, the first fixing block is connected with a first clamping block, one end of the first clamping block is fixedly connected with a connecting plate, the other end of the connecting plate is fixedly connected with a second clamping block, a through hole is arranged at the center of the connecting plate, a threaded rod is connected in the through hole in a matching way, a supporting block is fixedly connected at the upper end of the second fixing block, and one side of the supporting block is fixedly connected with a telescopic rod, the outer side of the telescopic end of the telescopic rod is surrounded with a buffer spring, two sides of the tool bit mounting seat are both provided with a U-shaped groove, threaded holes are arranged on two sides of the upper surface of the tool bit mounting seat, fastening bolts are arranged in the threaded holes in a matching way, the fastening bolt is in threaded connection with a fastening nut, a cutter head component is fixedly connected to the upper side of the cutter head mounting seat, and cutting edges are uniformly arranged on the cutter head component.

Preferably, in order to conveniently limit and fix the tool holder and the tool bit component and prevent the tool bit component from deviating in position, a T-shaped groove is formed in the first fixing block, the first fixing block is a T-shaped fixing block, and the first fixing block is matched with the T-shaped groove.

Preferably, for the convenience of releasing the processing to the connecting plate when dismantling, it is more convenient to dismantle, the telescopic link includes flexible interior pole, flexible interior pole cup joints inside flexible outer pole, the equal rigid coupling in pole and the flexible outer pole bottom of stretching out and drawing back has the connecting block, the rigid coupling has compression spring between two connecting blocks.

Preferably, in order to facilitate the fastening bolt to further fix the cutter head component, make the cutter head component fixed more firm, prevent lax in the use, all seted up on cutter head mount pad and the fixture block two with fastening bolt matched with screw hole, and two screw holes are in same vertical direction.

Preferably, in order to fix the tool holder and the tool bit component conveniently, a threaded hole is formed in the second fixing block, and the threaded rod is matched with the threaded hole formed in the second fixing block.

Preferably, in order to facilitate replacement of the head component, the head component is fixed to the head mounting base by welding.

The utility model has the advantages that: the arc-shaped T-shaped knife with the replaceable knife head is reasonable in design, a T-shaped groove is formed in the first fixing block, the first fixing block is a T-shaped clamping block, the first clamping block is matched with the T-shaped groove, the knife handle and the knife head component are conveniently limited and fixed, the position of the knife head component is prevented from deviating, the telescopic rod comprises a telescopic inner rod, the telescopic inner rod is sleeved inside a telescopic outer rod, connecting blocks are fixedly connected to the bottom ends of the telescopic inner rod and the telescopic outer rod respectively, compression springs are fixedly connected between the two connecting blocks, the connecting plates can be conveniently pushed out during disassembly, disassembly is more convenient, threaded holes matched with fastening bolts are formed in the knife head mounting seat and the second clamping block respectively, the two threaded holes are in the same vertical direction, the fastening bolts are convenient to further fix the knife head component, the knife head component is more firmly fixed, looseness during use is prevented, and, and the threaded rod is matched with a threaded hole formed in the second fixing block, so that the knife handle and the knife head component are conveniently fixed, the knife head component is fixed on the knife head mounting seat in a welding mode, the knife head component is conveniently replaced, and the use is more convenient.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is the schematic view of the cross-section structure of the telescopic rod of the present invention.

In the figure: 1. the tool comprises a base, 2, a tool shank, 3, a first fixing block, 4, a first clamping block, 5, a tool bit mounting seat, 6, a tool bit component, 7, a cutting edge, 8, a threaded rod, 9, a telescopic rod, 10, a buffer spring, 11, a fastening bolt, 12, a fastening nut, 13, a second clamping block, 14, a connecting plate, 15, a second fixing block, 16, an inner telescopic rod, 17, an outer telescopic rod, 18, a connecting block, 19 and a compression 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.

Referring to fig. 1 to 3, an arc-shaped T-shaped knife with a replaceable knife head comprises a base 1, a knife handle 2, a first fixing block 3, a first clamping block 4, a knife head mounting seat 5, a knife head part 6, a knife edge 7, a threaded rod 8, a telescopic rod 9, a buffer spring 10, a fastening bolt 11, a fastening nut 12, a second clamping block 13, a connecting plate 14, a second fixing block 15, a telescopic inner rod 16, a telescopic outer rod 17, a connecting block 18 and a compression spring 19; the upper end of the base 1 is fixedly connected with a knife handle 2, both sides of the knife handle 2 are fixedly connected with a first fixing block 3 and a second fixing block 15, the first fixing block 3 is connected with a first clamping block 4, one end of the first clamping block 4 is fixedly connected with a connecting plate 14, the other end of the connecting plate 14 is fixedly connected with a second clamping block 13, a through hole is formed in the central position of the connecting plate 14, a threaded rod 8 is connected in the through hole in a matched manner, the upper end of the second fixing block 15 is fixedly connected with a supporting block, one side of the supporting block is fixedly connected with a telescopic rod 9, a buffer spring 10 is wound on the outer side of the telescopic end of the telescopic rod 9, both sides of the knife head mounting seat 5 are provided with U-shaped grooves, both sides of the upper surface of the knife head mounting seat 5 are provided with threaded holes, fastening bolts 11 are arranged in the threaded holes, the cutter head part 6 is uniformly provided with cutting edges 7.

A T-shaped groove is formed in the first fixing block 3, a first clamping block 4 is a T-shaped clamping block, the first clamping block 4 is matched with the T-shaped groove, the knife handle 2 and the knife head part 6 are conveniently limited and fixed, the position of the knife head part 6 is prevented from deviating, the telescopic rod 9 comprises a telescopic inner rod 16, the telescopic inner rod 16 is sleeved inside a telescopic outer rod 17, connecting blocks 18 are fixedly connected to the bottom ends of the telescopic inner rod 16 and the telescopic outer rod 17, compression springs 19 are fixedly connected between the two connecting blocks 18, the connecting plates 14 are conveniently pushed out when the knife head part is disassembled, the disassembly is more convenient, threaded holes matched with the fastening bolts 11 are formed in the knife head mounting seat 5 and the second clamping block 13, the two threaded holes are in the same vertical direction, the fastening bolts 11 are convenient for further fixing the knife head part 6, and the knife head part 6 is more firmly fixed, prevent lax in the use, the inside screw hole of seting up of two fixed blocks 15, and the threaded hole of seting up on threaded rod 8 and two fixed blocks 15 cooperatees, is convenient for fix handle of a knife 2 and head part 6, head part 6 is fixed on tool bit mount pad 5 through the welded mode, is convenient for change head part 6, and it is comparatively convenient that the use is got up

The working principle is as follows: when using this kind of arc T type sword of removable tool bit, at first put into fixture block one 4 and fixture block two 13 respectively through backup pad 14 in the groove on fixed block one 3 and the tool bit mount pad 5, after placing, in passing through the through-hole spiral on backup pad 14 with threaded rod 8 inserts fixed block two 15, through screwing threaded rod 8 in order to reach the purpose of fixing fixture block one 4 and fixture block two, thereby realize the preliminary fixed of tool bit and handle of a knife 2, then fix fixture block two 13 inside tool bit mount pad 5 through fastening bolt 11, thereby realize fixing between tool bit and the handle of a knife 2, when needing to change the tool bit, loosen threaded rod 8 soon, and screw out fastening bolt 11, backup pad 14 pops out under the effect of telescopic link 9, thereby can change the tool bit, it is comparatively convenient to use, the work efficiency has been improved greatly.

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. The utility model provides an arc T type sword of removable tool bit which characterized in that: the tool comprises a base (1), a tool shank (2), a first fixing block (3), a first clamping block (4), a tool bit mounting seat (5), a tool bit part (6), a cutting edge (7), a threaded rod (8), a telescopic rod (9), a buffer spring (10), a fastening bolt (11), a fastening nut (12), a second clamping block (13), a connecting plate (14), a second fixing block (15), a telescopic inner rod (16), a telescopic outer rod (17), a connecting block (18) and a compression spring (19); the upper end of the base (1) is fixedly connected with a knife handle (2), two sides of the knife handle (2) are fixedly connected with a first fixed block (3) and a second fixed block (15), the first fixed block (3) is connected with a first fixture block (4), one end of the first fixture block (4) is fixedly connected with a connecting plate (14), the other end of the connecting plate (14) is fixedly connected with a second fixture block (13), a through hole is formed in the central position of the connecting plate (14), a threaded rod (8) is connected in the through hole in a matched mode, the upper end of the second fixed block (15) is fixedly connected with a support block, a telescopic rod (9) is fixedly connected to one side of the support block, a buffer spring (10) is encircled outside the telescopic end of the telescopic rod (9), U-shaped grooves are formed in two sides of the knife head mounting seat (5), threaded holes are formed in two sides of the upper, the tool bit is characterized in that a fastening nut (12) is connected to the fastening bolt (11) in a threaded mode, a tool bit component (6) is fixedly connected to the upper side of the tool bit mounting seat (5), and cutting edges (7) are uniformly arranged on the tool bit component (6).

2. The replaceable bit arcuate T-knife of claim 1, wherein: a T-shaped groove is formed in the first fixing block (3), the first clamping block (4) is a T-shaped clamping block, and the first clamping block (4) is matched with the T-shaped groove.

3. The replaceable bit arcuate T-knife of claim 1, wherein: telescopic link (9) are including flexible interior pole (16), flexible interior pole (16) cup joint inside flexible outer pole (17), flexible interior pole (16) and the equal rigid coupling in flexible outer pole (17) bottom have connecting block (18), the rigid coupling has compression spring (19) between two connecting blocks (18).

4. The replaceable bit arcuate T-knife of claim 1, wherein: and threaded holes matched with the fastening bolts (11) are formed in the tool bit mounting seat (5) and the second clamping block (13), and the two threaded holes are in the same vertical direction.

5. The replaceable bit arcuate T-knife of claim 1, wherein: and a threaded hole is formed in the second fixing block (15), and the threaded rod (8) is matched with the threaded hole formed in the second fixing block (15).

6. The replaceable bit arcuate T-knife of claim 1, wherein: the tool bit part (6) is fixed on the tool bit mounting seat (5) in a welding mode.