CN213916350U

CN213916350U - Cambered surface adjustable milling cutter for shaft machining

Info

Publication number: CN213916350U
Application number: CN202022911052.8U
Authority: CN
Inventors: 王之璐
Original assignee: Anhui Nuosheng Transmission Technology Co Ltd
Current assignee: Anhui Nuosheng Transmission Technology Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-10
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a milling cutter with adjustable axle type processing is with cambered surface, including the cutter arbor, the mounting groove has been seted up to the bottom of cutter arbor, is equipped with the blade in the mounting groove, and the bottom of set screw passes the perforation on the blade so that set screw's bottom is located the sliding tray of cutter arbor, and set screw's bottom and cutter arbor screw-thread fit are equipped with the slip external member on the set screw, and the slip external member is located the sliding tray, slip external member and cutter arbor sliding connection, and set screw realizes through drive slip external member rectilinear movement that the blade rotates. The utility model discloses convenient operation does benefit to the utilization ratio that improves the blade, reduces the processing cost.

Description

Cambered surface adjustable milling cutter for shaft machining

Technical Field

The utility model relates to a cutter field, concretely relates to axle type processing is with milling cutter with adjustable cambered surface.

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.

Because the milling cutter cuts through partial cutting edges in the using process, the cutting edges are easy to abrade seriously after long-time use, thereby influencing the cutting efficiency and quality. The blade needs to be taken down and then installed again when the blade is replaced or the blade is rotated to replace the cutting edge for cutting, the operation is inconvenient, the blade needs to be contacted in the operation process, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation and safe milling cutter with adjustable axle type processing cambered surface.

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a milling cutter with adjustable axle type processing is with cambered surface, includes the cutter arbor, the mounting groove has been seted up to the bottom of cutter arbor, is equipped with the blade in the mounting groove, and the bottom of set screw passes the perforation on the blade so that set screw's bottom is located the sliding tray of cutter arbor, and set screw's bottom and cutter arbor screw-thread fit are equipped with the slip external member on the set screw, and the slip external member is located the sliding tray, slip external member and cutter arbor sliding connection, and set screw realizes through drive slip external member rectilinear movement that the blade rotates.

As the further improvement of above-mentioned technical scheme, fixedly connected with carousel on set screw's the bottom, the carousel rotates to set up in the rotation inslot of slip external member, be equipped with first spring between carousel and the cutter arbor, first spring supports carousel and cutter arbor, be equipped with three sliding pin and three cutting, three sliding pin and three cutting all arrange on the slip external member around the axis isogonism of slip external member, offer on the fenestrate lateral wall on the blade and be used for holding the gliding guide way of three sliding pin, the guide way includes three arc wall and three spread groove, the bottom and the exterior space intercommunication of arc wall, the equal vertical setting on the blade of three spread groove, be in same vertical epaxial top and bottom on two adjacent arc walls of spread groove intercommunication, three cutting is located the top of three sliding pin, set up three vertical groove that is used for three cutting respectively to pass on the fenestrate lateral wall on the blade. Loosening the fixing screw to release the fixing screw from the cutter bar, enabling the turntable to move upwards under the action of the first spring so as to drive the sliding sleeve to move upwards, enabling the sliding pin to enter the arc-shaped groove and move upwards along the connecting groove, enabling the cutting to move upwards along the vertical groove, enabling the cutting to be separated from the vertical groove when the sliding sleeve stops moving upwards, and enabling the sliding pin to be located at the top end of the connecting groove; set screw is moved to the downward pressure, make slip external member downstream through the carousel, the sliding pin makes the blade rotate 120 through the arc wall, when set screw's bottom contact cutter arbor, the sliding pin breaks away from the arc wall, the cutting slip gets into vertical inslot, the set screw that screws makes set screw downstream and drives slip external member downstream through the carousel, thereby the vertical removal of cutting slip has restricted the blade rotation in vertical inslot, set screw screws completely and makes the blade press from both sides the fastening between set screw and cutter arbor, reach the purpose that is used for the cutting edge position of cutting on the change blade.

As a further improvement of the technical scheme, a convex block is obliquely arranged in the top end of the connecting groove and is in sliding connection with the blade, a second spring is arranged between one end of the convex block and the blade and props against one end of the convex block and the blade, the bottom end of the other end of the convex block is of a cambered surface structure, and the top end of the other end of the convex block is of an inclined surface structure. The lug is supported when the sliding pin moves upwards through the lug, the lug retracts under the action of the cambered surface structure, so that the sliding pin moves to the top end of the arc-shaped groove, the lug extends out under the action of the second spring, and when the sliding pin moves downwards, the sliding pin enters the arc-shaped groove under the action of the inclined surface structure due to the oblique arrangement of the lug, so that the aim of driving the blade to rotate by downward movement of the fixing screw is fulfilled.

As a further improvement of the technical scheme, a pressing block is arranged in the mounting groove, the pressing block is detachably mounted and fixed on the cutter bar, and the bottom end of the pressing block covers the cutter blade. The pressing block presses the blade, so that the blade is prevented from being separated from the cutter bar in the rotation process of the cutter bar in the use process, and the use safety is improved.

As a further improvement of the technical scheme, the cutter bar is cylindrical, and the side edge of the cutter bar is an arc surface, so that the workpiece is not easily cut in the machining process, and the machining loss is favorably reduced.

Compared with the prior art, the utility model, have following advantage and effect:

the utility model discloses a set screw and slip external member cooperation are used for set screw drives the blade rotation when drive slip external member rectilinear movement, has realized the adjustment to the position that is used for the cutting edge of cutting on the blade, and convenient operation has just reduced the contact to the blade, does benefit to the security that improves the operation. Furthermore, the cutting edge on the blade can be used completely conveniently by rotating and adjusting the cutting position on the blade, the utilization rate of the blade is improved, the reduction of the processing loss is facilitated, and the processing cost is controlled.

Drawings

Fig. 1 is a schematic structural view of the cambered-surface-adjustable milling cutter for shaft machining according to the present invention.

Fig. 2 is a schematic view of the structure of the set screw shown in fig. 1.

Fig. 3 is a schematic view of the structure of the guide groove on the blade shown in fig. 2.

The cutter holder comprises a cutter bar 1, a mounting groove 11, a sliding groove 12, a blade 2, a through hole 21, a guide groove 22, an arc-shaped groove 23, a connecting groove 24, a vertical groove 25, a convex block 26, a second spring 27, an arc-shaped surface structure 28, an inclined surface structure 29, a fixing screw 3, a turntable 31, a first spring 32, a sliding sleeve 4, a rotating groove 41, a sliding pin 42, an inserting strip 43 and a pressing block 5.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 to 3, the milling cutter with adjustable arc surface for processing shafts in this embodiment includes a cutter bar 1, a mounting groove 11 is formed at a bottom end of the cutter bar 1, a blade 2 is disposed in the mounting groove 11, a bottom end of a fixing screw 3 penetrates through a through hole 21 in the blade 2 so that the bottom end of the fixing screw 3 is located in a sliding groove 12 of the cutter bar 1, the bottom end of the fixing screw 3 is in threaded fit with the cutter bar 1, a sliding sleeve 4 is sleeved on the fixing screw 3, the sliding sleeve 4 is located in the sliding groove 12, the sliding sleeve 4 is slidably connected with the cutter bar 1, the fixing screw 3 drives the sliding sleeve 4 to linearly move to rotate the blade 2, an edge of the blade 2 is exposed outside a side edge of one side of the cutter bar 1 and a bottom edge of the cutter bar 1, a rotary table 31 is fixedly connected to the bottom end of the fixing screw 3, the rotary table 31 is rotatably disposed in a rotating groove 41 of the sliding sleeve 4, a first spring 32 is arranged between the rotary disc 31 and the cutter bar 1, the first spring 32 supports against the rotary disc 31 and the cutter bar 1, three sliding pins 42 and three inserting strips 43 are arranged on the outer side surface of the top end of the sliding sleeve 4, the three sliding pins 42 and the three inserting strips 43 are all arranged on the sliding sleeve 4 at equal angles around the central axis of the sliding sleeve 4, a guide groove 22 for accommodating the three sliding pins 42 to slide is formed on the side wall of the through hole 21 on the cutter blade 2, the guide groove 22 comprises three arc-shaped grooves 23 and three connecting grooves 24, the bottom end of the arc-shaped groove 23 is communicated with the external space, the three connecting grooves 24 are vertically arranged on the cutter blade 2, the connecting grooves 24 are communicated with the top end and the bottom end of the two adjacent arc-shaped grooves 23 on the same vertical line, the three inserting strips 43 are positioned above the three sliding pins 42, three vertical grooves 25 for the three inserting strips 43 to pass through are formed on the side wall of the through hole 21 on the cutter blade 2, vertical distance between cutting 43 and the sliding pin 42 is the same with vertical distance between the top and the bottom of arc wall 23, the slant is provided with lug 26 in the top of spread groove 24,

lug

26 and 2 sliding connection of blade, is equipped with second spring 27 between the one end of lug 26 and the blade 2, and second spring 27 supports lug 26's one end and blade 2, and the bottom of the other end of lug 26 is ARC structure 28, and the top of the other end of lug 26 is ramp structure 29, be equipped with briquetting 5 in the mounting groove 11, briquetting 5 is fixed in on cutter arbor 1 with detachable mode installation, and the bottom of briquetting 5 covers on blade 2, and briquetting 5 realizes through the screw that demountable installation is fixed in on cutter arbor 1, cutter arbor 1 is cylindric.

To sum up, the utility model discloses application method is as follows:

the method comprises the following steps: loosening the fixing screw by a tool, releasing the fixing screw from the cutter bar, then moving the turntable upwards under the action of the first spring and driving the sliding sleeve to move upwards, at the moment, enabling the sliding pin to enter the arc-shaped groove and move upwards along the connecting groove, and enabling the cutting slips to move upwards along the vertical groove;

step two: when the sliding sleeve stops moving upwards, the inserting strip is separated from the vertical groove, and the sliding pin is positioned at the top end of the connecting groove;

step three: the fixing screw is pressed downwards, the sliding sleeve moves downwards through the turntable, and the sliding pin enables the blade to rotate 120 degrees through the arc-shaped groove;

step four: when the bottom end of the fixing screw contacts the cutter bar, the sliding pin is separated from the arc-shaped groove, the cutting slip enters the vertical groove, then the fixing screw is screwed so that the fixing screw moves downwards and the sliding sleeve is driven by the turntable to move downwards, and the cutting slip vertically moves in the vertical groove so as to limit the rotation of the cutter blade;

step five: and the fixing screw is completely screwed, and the blade clamp is fixed between the fixing screw and the cutter rod.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a milling cutter with adjustable axle type processing is with cambered surface, includes cutter arbor (1), its characterized in that: mounting groove (11) have been seted up to the bottom of cutter arbor (1), be equipped with blade (2) in mounting groove (11), the bottom of set screw (3) passes perforation (21) on blade (2) so that the bottom of set screw (3) is located sliding tray (12) of cutter arbor (1), the bottom and cutter arbor (1) screw-thread fit of set screw (3), the cover is equipped with slip external member (4) on set screw (3), slip external member (4) are located sliding tray (12), slip external member (4) and cutter arbor (1) sliding connection, set screw (3) realize blade (2) through drive slip external member (4) rectilinear movement and rotate.

2. The cambered surface adjustable milling cutter for shaft machining according to claim 1, wherein: the bottom end of the fixing screw (3) is fixedly connected with a turntable (31), the turntable (31) is rotatably arranged in a rotating groove (41) of a sliding sleeve piece (4), a first spring (32) is arranged between the turntable (31) and the cutter bar (1), the first spring (32) abuts against the turntable (31) and the cutter bar (1), the outer side surface of the top end of the sliding sleeve piece (4) is provided with three sliding pins (42) and three inserting strips (43), the three sliding pins (42) and the three inserting strips (43) are all arranged on the sliding sleeve piece (4) at equal angles around the central axis of the sliding sleeve piece (4), the side wall of a through hole (21) in the blade (2) is provided with a guide groove (22) for accommodating the three sliding pins (42) in a sliding manner, the guide groove (22) comprises three arc-shaped grooves (23) and three connecting grooves (24), the bottom end of the arc-shaped groove (23) is communicated with the external space, and the three connecting grooves (24) are all vertically arranged on the blade (2), the connecting groove (24) is communicated with the top end and the bottom end of two adjacent arc-shaped grooves (23) on the same vertical line, the three inserting strips (43) are positioned above the three sliding pins (42), and three vertical grooves (25) which are respectively used for the three inserting strips (43) to pass through are formed in the side wall of the through hole (21) on the blade (2).

3. The cambered surface adjustable milling cutter for shaft machining according to claim 2, wherein: the utility model discloses a blade of cutting tool, including connecting groove (24), the top of connecting groove (24) is interior the slant is provided with lug (26), lug (26) and blade (2) sliding connection, is equipped with second spring (27) between the one end of lug (26) and blade (2), and second spring (27) support the one end and blade (2) of lug (26), and the bottom of the other end of lug (26) is ARC structure (28), and the top of the other end of lug (26) is bevel structure (29).

4. The cambered surface adjustable milling cutter for shaft machining according to claim 1, wherein: be equipped with briquetting (5) in mounting groove (11), on briquetting (5) are fixed in cutter arbor (1) with detachable mode installation, the bottom of briquetting (5) covers on blade (2).

5. The cambered surface adjustable milling cutter for shaft machining according to claim 1, wherein: the cutter bar (1) is cylindrical.