CN216138180U

CN216138180U - Split type hard alloy milling cutter

Info

Publication number: CN216138180U
Application number: CN202121921295.8U
Authority: CN
Inventors: 周益锋
Original assignee: Changzhou Boyu Cnc Tool Co ltd
Current assignee: Changzhou Boyu Cnc Tool Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-29
Anticipated expiration: 2031-08-17

Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to a split type hard alloy milling cutter which comprises a cutter head, wherein a connecting groove is formed in the bottom end of the cutter head, a front-end cutter body is arranged at the bottom end of the cutter head, a clamping block is rotatably connected in the front end of the front-end cutter body, a rotating ring is rotatably connected at the bottom end of the front-end cutter body through a connecting block, an anti-skid groove for skid resistance is formed in the surface of the rotating ring, a rear-end cutter body is rotatably connected to one side of the rotating ring, the installation and the disassembly between the cutter head and the front-end cutter body are more convenient and the position-limiting stable point is firm through the rotating ring and the clamping block, the operation is simple and time-saving, the installation efficiency is improved, the practicability and the use convenience are improved, the cutter head is quickly replaced through the cutter head and the front-end cutter body, the front-end cutter body is prevented from being replaced when different specifications are used, and the front-end cutter body on which is reassembled is easy to generate deviation, the processing quality is influenced, the qualification rate of the product is reduced, and the loss is increased.

Description

Split type hard alloy milling cutter

Technical Field

The utility model belongs to the technical field of milling cutters, and particularly relates to a split type hard alloy milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, and the hard alloy milling cutter has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness and wear resistance, basically keeps unchanged even at the temperature of 500 ℃, and still has high hardness at the temperature of 1000 ℃.

The cutter body needs to be replaced when the cutter heads of different specifications are used as an integral type by the original hard alloy milling cutter, the cutter on the reinstallation is very easy to generate deviation, the machining quality is influenced, if the cutter heads are damaged, the resources are wasted, the economic loss is increased, the limitation is that the effect is not good enough, and the anti-slip measures are lacked, so that the split type hard alloy milling cutter is provided at present to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the split type hard alloy milling cutter which has the characteristics of convenience in mounting and dismounting, convenience in replacement, skid resistance and firm limiting.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a split type carbide milling cutter, includes the tool bit, the inside spread groove of having seted up in tool bit bottom, the bottom of tool bit is provided with the front end blade, the inside rotation of front end blade is connected with the fixture block, the bottom of front end blade is connected with the swivel becket through the connecting block rotation, the antiskid groove that is used for skid-proof is offered on the surface of swivel becket, one side of swivel becket is rotated and is connected with the rear end blade, the draw-in groove of being connected with the fixture block is seted up to the inside of spread groove, the bottom of fixture block is provided with rotates the connecting plate of being connected with fixed module, the both sides of swivel becket are provided with rotates the connecting block of being connected with the rotation groove.

According to the preferable technical scheme of the split type hard alloy milling cutter, the inside of the rear end cutter body is fixedly connected with the connecting rod, the surface of the connecting rod is provided with the threaded rod which is connected with the rotating ring in a rotating mode, and the upper end of the rear end cutter body is provided with the rotating groove which limits the connecting block.

In a preferred embodiment of the split type cemented carbide milling cutter of the present invention, an inclined projection is fixedly connected to a lower end of the connecting plate, a baffle plate elastically connected to a return spring is disposed on one side of the lower end of the connecting plate, the return spring is fixedly connected to a surface of the baffle plate, and a fixing module is rotatably connected to an inner side of the connecting plate through a rotating shaft.

According to the preferable technical scheme of the split type hard alloy milling cutter, the upper end of the threaded rod is fixedly connected with the limiting plate, the upper surface of the limiting plate is fixedly connected with the extrusion plate, and the upper end of the extrusion plate is attached to the inclined surface at one end of the inclined surface bump and is arranged in a smooth inclined surface mode.

According to the preferable technical scheme of the split type hard alloy milling cutter, the two connecting plates are arranged in a symmetrical mirror image mode and are rotatably connected to the two sides of the fixed module through the rotating shaft, and one side of each connecting plate is elastically connected with the inner surface of the front end cutter body through the reset spring so as to be reset.

According to the preferable technical scheme of the split type hard alloy milling cutter, the rotating ring is rotatably connected with the front end cutter body through the connecting block and the rotating groove, and the inner surface of the rotating ring and the surface of the threaded rod are respectively provided with the threaded groove for screwing connection, so that the rotating ring can control the opening and closing of the clamping block and the clamping groove.

Compared with the prior art, the utility model has the beneficial effects that: make the installation between tool bit and the front end blade dismantle more convenient and spacing steady point firm through setting up swivel ring and fixture block, easy operation save time improves the installation effectiveness and promotes practicality and use convenience, make the tool bit carry out quick replacement through setting up tool bit and front end blade, need change the front end blade when avoiding using different specification tool bits, the front end blade on the repacking very easily produces the deviation, influence the qualification rate increase loss of processingquality reduction product, it is more convenient light to make the rotation of swivel ring through setting up anti-skidding groove, the anti-skidding groove plays the smooth hand that breaks away from of surface of avoiding the swivel ring and rotates the increase degree of difficulty and operating time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the rear blade of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the front blade of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of a fixing module according to the present invention;

FIG. 5 is a schematic front view of the present invention;

in the figure: 1. a cutter head; 2. connecting grooves; 3. a front end blade body; 4. a clamping block; 5. a rotating ring; 6. an anti-slip groove; 7. a rear end blade body; 8. connecting blocks; 9. a rotating groove; 10. a connecting rod; 11. a threaded rod; 12. a card slot; 13. a connecting plate; 14. a bevel projection; 15. a fixed module; 16. a return spring; 17. a pressing plate; 18. a baffle plate; 19. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a split type carbide milling cutter, including

tool bit

1, 1 inside spread groove 2 of having seted up in bottom of tool bit, the bottom of tool bit 1 is provided with front end blade 3, the inside rotation of front end blade 3's front end is connected with fixture block 4, the bottom of front end blade 3 is rotated through connecting block 8 and is connected with swivel becket 5, be used for skid-proof antiskid groove 6 is seted up on swivel becket 5's surface, one side of swivel becket 5 is rotated and is connected with rear end blade 7, draw-in groove 12 of being connected with 4 blocks of fixture block is seted up to spread groove 2's inside, the bottom of fixture block 4 is provided with rotates the connecting plate 13 of being connected with fixed module 15, the both sides of swivel becket 5 are provided with rotates the connecting block 8 of being connected with rotation groove 9, well tool bit 1 and front end blade 3 are split type, be convenient for change tool bit 1 and needn's abandon resources saving and reduce economic loss together, also can change tool bit 1 on different scales fast simultaneously and be convenient for use improvement work efficiency.

Specifically, the inside fixedly connected with connecting rod 10 of rear end blade 7, the surface of connecting rod 10 is provided with closes threaded rod 11 of being connected soon with swivel ring 5, rear end blade 7 upper end has been seted up and has been carried out spacing rotation groove 9 to connecting block 8, rotation groove 9 sets up rear end blade 7 and front end blade 3 inside between them in this embodiment, play limiting displacement and make simultaneously can the steady point firm turn to in the middle of rear end blade 7 and front end blade 3 and control the spacing that opens and shuts.

Specifically, connecting plate 13 lower extreme fixed connection has inclined plane lug 14, lower extreme one side of connecting plate 13 is provided with baffle 18 with reset spring 16 elastic connection, the fixed surface of baffle 18 is connected with reset spring 16, connecting plate 13 side inboard is connected with fixed module 15 through the pivot rotation, reset spring 16 plays the effect again in this embodiment, make connecting plate 13 restore to the throne and remove to tool bit 1 block connection at the elasticity that lacks extrusion of stripper plate 17 accessible reset spring 16 after spacing, make tool bit 1 can change promotion use convenience be convenient for carry out quick spacing to tool bit 1.

Specifically, the upper end fixedly connected with limiting plate 19 of threaded rod 11, the last fixed surface of limiting plate 19 is connected with stripper plate 17, and the upper end of stripper plate 17 is laminated mutually with the inclined plane of inclined plane lug 14 one end and is the level and smooth inclined plane setting, and limiting plate 19 plays limiting displacement in this embodiment, avoids threaded rod 11 position deviation too big when connecting rod 10 surface slip influence equipment normal use to be not convenient for open and shut with spacing.

Specifically, the number of connecting plate 13 is two and is symmetrical mirror image setting and rotate the both sides of connecting at fixed module 15 through the pivot, and one side of every connecting plate 13 all is convenient for reset through reset spring 16 and the internal surface elastic connection of front end blade 3, and the inclined plane through stripper plate 17 one side in this embodiment is laminated with one side inclined plane of connecting plate 13, opens the connecting plate 13 of fixed module 15 both sides simultaneously when making stripper plate 17 upwards remove and carries out spacingly.

It is specific, rotate through connecting block 8 and rotation groove 9 between swivel ring 5 and the front end blade 3 and be connected, the thread groove that is used for closing the connection soon is all offered with threaded rod 11's surface to the internal surface of swivel ring 5, make opening and shutting between 5 can control fixture block 4 and the draw-in groove 12 of swivel ring, swivel ring 5 rotates in this embodiment and makes threaded rod 11 slide from top to bottom on the surface of connecting rod 10 through the thread line, make its control tool bit 1 with be connected front end blade 3 be connected and spacing effectual steady point, and can not reset by autonomic rotation and influence spacing effect, threaded rod 11's surface is provided with lug and front end blade 3 and rear end blade 7 block, carry out spacing messenger's it and can not rotate along with swivel ring 5 together to it.

The working principle and the using process of the utility model are as follows: when the tool is used, the fixture block 4 at the front end of the front end tool body 3 slides into the connecting groove 2, then the rotating ring 5 is rotated to enable the threaded rod 11 to slide up and down on the surface of the connecting rod 10 through the thread line, the upward sliding enables the extrusion plate 17 fixedly connected with the surface of the limiting plate 19 to move upwards to extrude the inclined plane lugs 14 at two sides, the inclined plane lugs 14 at two sides rotate in opposite directions, the rotating shaft drives the connecting plate 13 and the fixture block 4 at the upper end of the connecting plate to rotate together, the groove at the upper end of the connecting plate 13 clamps and limits the connection position of the tool bit 1 and the front end tool body 3, the lug at the front end of the fixture block 4 is clamped and enters the inside of the clamping groove 12 to carry out stable point limiting, the installation and the disassembly between the tool bit 1 and the front end tool body 3 are more convenient and the limiting stable point is firm, the operation is simple, the time is saved, the installation efficiency is improved, the practicability and the use convenience are improved, the rotating ring 5 is reversely rotated to enable the extrusion plate 17 to move downwards to separate the limiting of the inclined plane lugs 14, so that the fixture block 4 passes through the reset spring The elastic force of 16 resets, is convenient for change tool bit 1, need change front end blade 3 when avoiding using different specification tool bits 1, and the front end blade 3 of reassembling is very easily produced the deviation, influences the qualification rate increase loss that processingquality reduces the product.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A split type hard alloy milling cutter is characterized in that: including tool bit (1), inside spread groove (2) of having seted up in tool bit (1) bottom, the bottom of tool bit (1) is provided with front end blade (3), the inside rotation of front end blade (3) is connected with fixture block (4), the bottom of front end blade (3) is rotated through connecting block (8) and is connected with swivel becket (5), antiskid groove (6) that are used for skid-proof are seted up on the surface of swivel becket (5), one side of swivel becket (5) is rotated and is connected with rear end blade (7), draw-in groove (12) of being connected with fixture block (4) block are seted up to the inside of spread groove (2), the bottom of fixture block (4) is provided with rotates connecting plate (13) of being connected with fixed module (15), the both sides of swivel becket (5) are provided with and rotate connecting block (8) of being connected with rotation groove (9).

2. The split carbide milling cutter according to claim 1, wherein: the inside fixedly connected with connecting rod (10) of rear end blade (7), the surface of connecting rod (10) is provided with closes threaded rod (11) of being connected soon with swivel becket (5), rear end blade (7) upper end is seted up and is carried out spacing rotation groove (9) to connecting block (8).

3. The split carbide milling cutter according to claim 1, wherein: the connecting plate is characterized in that an inclined plane bump (14) is fixedly connected to the lower end of the connecting plate (13), a baffle plate (18) elastically connected with a return spring (16) is arranged on one side of the lower end of the connecting plate (13), the return spring (16) is fixedly connected to the surface of the baffle plate (18), and a fixing module (15) is rotatably connected to the inner side of the connecting plate (13) through a rotating shaft.

4. The split carbide milling cutter according to claim 2, wherein: the upper end fixedly connected with limiting plate (19) of threaded rod (11), the last fixed surface of limiting plate (19) is connected with stripper plate (17), the upper end of stripper plate (17) is laminated mutually with the inclined plane of inclined plane lug (14) one end and is the setting of level and smooth inclined plane.

5. The split carbide milling cutter according to claim 1, wherein: the number of connecting plate (13) is two and is symmetrical mirror image setting and rotate the both sides of connecting in fixed module (15) through the pivot, every one side of connecting plate (13) all is convenient for reset through reset spring (16) and the internal surface elastic connection of front end blade (3).

6. The split carbide milling cutter according to claim 1, wherein: the rotary knife is characterized in that the rotary ring (5) is rotatably connected with the front-end knife body (3) through a connecting block (8) and a rotary groove (9), the inner surface of the rotary ring (5) and the surface of the threaded rod (11) are provided with threaded grooves for rotary connection, and the rotary ring (5) can control the opening and closing between the clamping block (4) and the clamping groove (12).