CN210498524U

CN210498524U - T-shaped milling cutter with lengthened clamping handle

Info

Publication number: CN210498524U
Application number: CN201921042670.4U
Authority: CN
Inventors: 汤云飞
Original assignee: Changzhou Feierda Tool Co ltd
Current assignee: Changzhou Feierda Tool Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-12
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a T type milling cutter with extension centre gripping handle, including blade holder, cutting edge, chip groove, connecting seat, connecting hole, chucking groove, connecting rod, chucking parallel key, screw thread, adapter sleeve, fixed orifices, clamping screw, extension bar, handle of a knife, constant head tank and locating piece. The utility model has the advantages that: the extension bar can be free dismantle and the extension bar can select different length according to the actual demand from the connecting sleeve, can select the extension bar of different length according to the actual conditions of work piece, the suitability is stronger, chucking parallel key locking is installed in the chucking inslot, prevent the not hard up of blade holder when guaranteeing the effective transmission of power, the chip groove upwards distributes along blade holder surface spiral, make the piece that produces upwards discharge along the chip groove along with the rotation of blade holder, clamping screw has two and passes the fixed orifices and support on connecting rod and extension bar, make connecting rod and extension bar can not take place to become flexible because of vibrations when fixing on the connecting sleeve.

Description

T-shaped milling cutter with lengthened clamping handle

Technical Field

The utility model relates to a T type milling cutter specifically is a T type milling cutter with extension centre gripping handle, belongs to the machining equipment field.

Background

Along with the improvement of the level of mechanical manufacture and various machining methods, the manufacturing requirements of various mechanical products are gradually improved, machine tool machining is an important machining method, in the machining of a machine tool, a T-shaped slot milling cutter is often used, the T-shaped slot milling cutter is used for machining T-shaped slots on various mechanical table tops or other structures, the existing T-shaped milling cutter is easy to have the phenomenon of unsmooth chip removal, cutter scraps are easy to fall down to the bottom surface of the T-shaped slot, subsequent cutting and milling are influenced, the part machining progress is influenced, the product quality of parts is easy to reduce, the length of the existing T-shaped milling cutter is certain, when a workpiece with a lower height needs to be machined, a milling cutter with a longer length is required to be selected, great troubles are caused, the existing milling cutter is integrated, and once one part is damaged, the whole milling cutter is scrapped, the cost is increased invisibly.

SUMMERY OF THE UTILITY MODEL

The object of the utility model is to provide a T type milling cutter with extension centre gripping handle in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a T-shaped milling cutter with a lengthened clamping handle comprises a cutter holder, a cutter edge, a chip groove, a connecting seat, a connecting hole, a clamping groove, a connecting rod, a clamping flat key, threads, a connecting sleeve, a fixing hole, a fixing screw, an extension rod, a cutter handle, a positioning groove and a positioning block; the knife holder is provided with cutting edges, the knife holder between the cutting edges is provided with chip grooves which are spirally distributed upwards along the surface of the knife holder, the upper end of the knife holder is fixed with a connecting seat, the upper end surface of the connecting seat is provided with a connecting hole, two sides of the connecting hole are provided with clamping grooves, the lower end of the connecting rod is arranged in the connecting hole, two sides of the lower end of the connecting rod are fixed with clamping flat keys which are locked and arranged in the clamping grooves, the upper end of the connecting rod, the lower end of the extension rod and the inside of the connecting sleeve are provided with threads, the connecting rod and the extension rod are arranged together through the connecting sleeve, the extension rod can be freely disassembled from the connecting sleeve, different lengths of the extension rod can be selected according to actual requirements, the upper end of the connecting rod is provided with a positioning groove, and, the connecting sleeve is provided with fixing holes, the positioning grooves and the positioning blocks are matched in shape and are clamped in the positioning grooves when being installed, the fixing screws are installed on the fixing holes, the two fixing screws penetrate through the fixing holes and abut against the connecting rod and the extension rod, and the cutter handle is installed at the upper end of the extension rod.

Furthermore, in order to select extension bars with different lengths according to the actual conditions of workpieces, the extension bars can be freely detached from the connecting sleeves and can be selected with different lengths according to actual requirements.

Furthermore, in order to prevent the looseness of the tool apron during the effective transmission of the power, the clamping flat key is installed in the clamping groove in a locking mode.

Further, in order to allow the generated chips to be discharged upwardly along the chip grooves, the chip grooves are spirally distributed upwardly along the surface of the seat.

Furthermore, in order to make connecting rod and extension bar can not take place to become flexible because of vibrations when fixing on the connecting sleeve, clamping screw has two and passes the fixed orifices and supports on connecting rod and extension bar.

Furthermore, in order to enable the central axes of the connecting rod and the extension rod to be always on the same straight line when the connecting rod and the extension rod are connected, the positioning groove is matched with the positioning block in shape, and the positioning block is clamped in the positioning groove when the positioning groove and the positioning block are installed.

The utility model has the advantages that: the T-shaped milling cutter is compact in structure connection, simple to use and reasonable in design, the extension rod can be freely detached from the connecting sleeve, different lengths of the extension rod can be selected according to actual requirements, extension rods with different lengths can be selected according to actual conditions of workpieces, the applicability is stronger, the clamping flat keys are locked and installed in the clamping grooves, loosening of the cutter holder is prevented when effective transmission of power is guaranteed, the chip grooves are spirally and upwards distributed along the surface of the cutter holder, generated chips can be upwards discharged along the chip grooves along with rotation of the cutter holder, two fixing screws penetrate through the fixing holes and abut against the connecting rod and the extension rod, the connecting rod and the extension rod cannot be loosened due to vibration when being fixed on the connecting sleeve, the positioning grooves are matched with the positioning blocks in shape, the positioning blocks are clamped in the positioning grooves when being installed, and central axes of the connecting rod and the extension rod are always in the same straight line when being connected, no offset occurs.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the connecting sleeve of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

in the figure: 1. the tool apron comprises a tool apron body, 2 parts of a cutting edge, 3 parts of a chip groove, 4 parts of a connecting seat, 5 parts of a connecting hole, 6 parts of a clamping groove, 7 parts of a connecting rod, 8 parts of a clamping flat key, 9 parts of a thread, 10 parts of a connecting sleeve, 11 parts of a fixing hole, 12 parts of a fixing screw rod, 13 parts of an extension rod, 14 parts of a tool handle, 15 parts of a positioning groove, 16 parts of a positioning block.

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. 1-3, a T-shaped milling cutter with an extended clamping handle comprises a cutter holder 1, a cutter edge 2, a chip groove 3, a connecting seat 4, a connecting hole 5, a clamping groove 6, a connecting rod 7, a clamping flat key 8, a thread 9, a connecting sleeve 10, a fixing hole 11, a fixing screw 12, an extended rod 13, a cutter handle 14, a positioning groove 15 and a positioning block 16; the knife rest is characterized in that the knife rest 1 is provided with cutting edges 2, chip grooves 3 are formed in the knife rest 1 between the cutting edges 2, the chip grooves 3 are spirally distributed upwards along the surface of the knife rest 1, the upper end of the knife rest 1 is fixedly provided with a connecting seat 4, the upper end surface of the connecting seat 4 is provided with a connecting hole 5, two sides of the connecting hole 5 are provided with clamping grooves 6, the lower end of the connecting rod 7 is arranged in the connecting hole 5, two sides of the lower end of the connecting rod 7 are fixedly provided with clamping flat keys 8, the clamping flat keys 8 are locked and arranged in the clamping grooves 6, the upper end of the connecting rod 7, the lower end of an extension rod 13 and the inside of the connecting sleeve 10 are provided with threads 9, the connecting rod 7 and the extension rod 13 are arranged together through the connecting sleeve 10, the extension rod 13 can be freely detached from the connecting sleeve, the upper end of connecting rod 7 is provided with constant head tank 15, the lower extreme of extension bar 13 is fixed with locating piece 16, be provided with fixed orifices 11 on the connecting sleeve 10, the shape phase-match of constant head tank 15 and locating piece 16 just during the installation locating piece 16 card is in constant head tank 15, clamping screw 12 installs on fixed orifices 11, clamping screw 12 has two and passes fixed orifices 11 and supports on connecting rod 7 and extension bar 13, handle of a knife 14 is installed to the upper end of extension bar 13.

As the utility model discloses a technical optimization scheme: the extension bar 13 can be freely detached from the connecting sleeve 10, and the extension bar 13 can be selected to have different lengths according to actual requirements; the clamping flat key 8 is locked and installed in the clamping groove 6; the chip grooves 3 are spirally distributed upwards along the surface of the tool apron 1; the two fixing screw rods 12 penetrate through the fixing holes 11 and abut against the connecting rod 7 and the extension rod 13; the shapes of the positioning groove 15 and the positioning block 16 are matched, and the positioning block 16 is clamped in the positioning groove 15 during installation.

The utility model discloses when using, at first according to the actual conditions of work piece select the extension bar of suitable length, then will select extension bar and connecting rod good to install on the connecting sleeve, then screw up clamping screw, the assigned position of milling machine is installed to the handle of a knife again, then the position of adjustment cutting edge through the displacement mechanism on the adjustment lathe for the cutting edge is aimed at the department of processing of treating that needs the processing part, then starts the milling machine, make the cutting edge contact and make the tool bit move according to the assigned route with the processing part gradually.

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 a T type milling cutter with extension centre gripping handle which characterized in that: the tool rest comprises a tool apron (1), a cutting edge (2), a chip groove (3), a connecting seat (4), a connecting hole (5), a clamping groove (6), a connecting rod (7), a clamping flat key (8), a thread (9), a connecting sleeve (10), a fixing hole (11), a fixing screw (12), an extension rod (13), a tool shank (14), a positioning groove (15) and a positioning block (16); the cutting tool is characterized in that cutting edges (2) are installed on the tool apron (1), chip grooves (3) are formed in the tool apron (1) between the cutting edges (2), a connecting seat (4) is fixed to the upper end of the tool apron (1), a connecting hole (5) is formed in the upper end face of the connecting seat (4), clamping grooves (6) are formed in two sides of the connecting hole (5), the lower end of a connecting rod (7) is installed in the connecting hole (5), clamping flat keys (8) are fixed to two sides of the lower end of the connecting rod (7), threads (9) are arranged at the upper end of the connecting rod (7), the lower end of an extension rod (13) and the inner portion of a connecting sleeve (10), the connecting rod (7) and the extension rod (13) are installed together through the connecting sleeve (10), a positioning groove (15) is formed in the upper end of the connecting rod (7), and a positioning block (16, the connecting sleeve (10) is provided with a fixing hole (11), the fixing screw (12) is installed on the fixing hole (11), and the upper end of the extension bar (13) is provided with a knife handle (14).

2. A T-shaped milling cutter with an elongated clamping shank according to claim 1, characterized in that: extension bar (13) can be freely dismantled from connecting sleeve (10) and extension bar (13) can select different length according to actual demand.

3. A T-shaped milling cutter with an elongated clamping shank according to claim 1, characterized in that: the clamping flat key (8) is locked and installed in the clamping groove (6).

4. A T-shaped milling cutter with an elongated clamping shank according to claim 3, characterized in that: the chip grooves (3) are spirally distributed upwards along the surface of the cutter holder (1).

5. A T-shaped milling cutter with an elongated clamping shank according to claim 1, characterized in that: the two fixing screw rods (12) penetrate through the fixing holes (11) and abut against the connecting rod (7) and the extension rod (13).

6. A T-shaped milling cutter with an elongated clamping shank according to claim 1, characterized in that: the positioning groove (15) is matched with the positioning block (16) in shape, and the positioning block (16) is clamped in the positioning groove (15) during installation.