CN211991125U

CN211991125U - Cutter structure of vertical milling machine

Info

Publication number: CN211991125U
Application number: CN202020747728.1U
Authority: CN
Inventors: 王家闻; 钱炜
Original assignee: Anhui Xueji Ancient Garden Co ltd
Current assignee: Anhui Xueji Ancient Garden Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-11-24
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to a vertical milling machine cutter structure, including cutter body and the facing cutter of installation cutter body, be provided with the mounting groove on the facing cutter and install the spliced pole, the cutter body cover is established outside the spliced pole, the spliced pole includes the upper part of being connected with the cutter body and the lower part of being connected with the mounting groove, the mounting groove bottom is provided with vertical double-screw bolt, the spliced pole bottom is seted up the internal thread groove and is matched with double-screw bolt screw thread, be provided with the setting element in the connecting pad and the mounting groove; a plurality of connecting grooves are formed in the inner side of the cutter body, and connecting strips matched with the connecting grooves are arranged on the periphery of the upper part; the length directions of the connecting strips and the connecting grooves are arranged along the axial direction of the connecting column, and a plurality of blades are arranged on the periphery of the cutter body; the upper part is connected with a screw and is provided with a positioning nut. The utility model discloses have the effect of being convenient for carry out the cutter installation and dismantle.

Description

Cutter structure of vertical milling machine

Technical Field

The utility model belongs to the technical field of the technique of end milling machine equipment and specifically relates to a cutter structure of end milling machine is related to.

Background

At present, a milling machine cutter is an indispensable tool for the milling machine during working, and the milling machine cutter is connected with the milling machine and processes a workpiece. Milling machines often use a milling cutter shaft or milling cutter head for mounting and securing the milling cutter.

The prior art is a milling machine cutter as disclosed in patent application publication No. CN202763158U, the milling machine cutter include the knife rest and install the blade on the knife rest, the knife rest including be used for installing the standard clamping part on the milling machine and be used for the preceding fixing base of fixed blade, preceding fixing base outer fringe be equipped with several tooth blocks, the front end of each tooth block is equipped with the indent, the indent have a blade through the fix with screw, the clamping part with preceding fixing base as an organic whole, one of two cutting blade edges of blade sets up in a parallel with the cutting face, the contained angle of two cutting blade edges of blade is 95 degrees to 105 degrees, the contained angle best is 100 degrees. The utility model has the advantages that: this milling machine sword has shock resistance reinforce, the utility model discloses a blade wearability is higher, is difficult to the tipping in the course of working to improve cutting efficiency, can also recycle by old and useless blade.

The above prior art solutions have the following drawbacks: the milling cutter is most commonly designed by inserting the milling cutter into the connecting disc and fixing the milling cutter with bolts in a plurality of directions, and removing the milling cutter by using a wrench, a hammer, or the like. The installation and disassembly of the cutter are inconvenient, and the maintenance and the replacement of the cutter are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an end milling machine cutter structure has the effect of being convenient for install and dismantle, conveniently maintains and changes to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a cutter structure of a vertical milling machine comprises a cutter body and a milling cutter disc for mounting the cutter body, wherein a mounting groove is formed in the milling cutter disc and is provided with a connecting column, the cutter body is sleeved outside the connecting column, the connecting column comprises an upper part connected with the cutter body and a lower part connected with the mounting groove, a vertical stud is arranged at the bottom of the mounting groove, an inner thread groove is formed in the bottom of the connecting column and is in threaded fit with the stud, and a positioning piece is arranged in the connecting disc and the mounting groove; a plurality of connecting grooves are formed in the inner side of the cutter body, and connecting strips matched with the connecting grooves are arranged on the periphery of the upper part; the length directions of the connecting strips and the connecting grooves are arranged along the axial direction of the connecting column, and a plurality of blades are arranged on the periphery of the cutter body; the upper part is provided with a screw and is provided with a positioning nut, the positioning nut is in threaded fit with the screw, and the bottom of the positioning nut is tightly propped against the top of the cutter body.

By adopting the technical scheme, the structure of the connecting column is used for connecting the milling cutter disc and the milling cutter, a plurality of connecting columns with different sizes can be prepared during use, the sizes of the lower parts of the connecting columns are uniform, but the sizes of the upper parts are different, so that the milling cutter disc can be normally used when cutters with different sizes face, and the applicability of the milling cutter disc is improved; when the mounting is carried out, the connecting column is mounted in the mounting groove, the cutter is sleeved outside the upper part, and the positioning nut is screwed tightly, so that the mounting and dismounting are convenient; and the structure of the connecting strip drives the extrusion force of the cutter instead of the nut, so that the cutter is more stably mounted on the milling cutter disc.

The present invention may be further configured in a preferred embodiment as: the dovetail groove is formed in the outer side of the cutter body, sliding strips matched with the dovetail groove are arranged on the blades, the dovetail groove and the connecting groove are identical in number and correspond to each other in position one to one, and the blades are connected with the cutter body through fasteners.

Through adopting above-mentioned technical scheme, the structure that uses dovetail and draw runner carries out the connection between cutter and the blade, and it is fixed to reuse the fastener, and it is comparatively convenient to install and dismantle, and it can to change the blade after a blade damages, need not change whole cutter.

The present invention may be further configured in a preferred embodiment as: the fastening piece comprises fastening screws, at least two fastening screws are arranged in each connecting groove, the fastening screws extend into the dovetail groove and are in threaded fit with the blade, and nuts of the fastening screws are respectively connected with the groove bottoms of the connecting grooves and the connecting strips in a butting mode.

Through adopting above-mentioned technical scheme, use fastening screw's structure as the fastener, can effectually carry out the installation of blade when screwing the fastener, the nut of connecting strip and screw supports tightly, has played the positioning effect to fastening screw.

The present invention may be further configured in a preferred embodiment as: the milling cutter head is provided with positioning grooves in the two sides of the mounting groove in a forming mode, the positioning piece comprises a spring block movably mounted in the positioning grooves, the end portion of the spring block extends into the mounting groove, a reset spring is arranged in each positioning groove, the two ends of each reset spring are respectively connected with the bottoms of the spring block and the positioning grooves, the two sides of the lower part are provided with clamping grooves matched with the end portions of the spring block, the top of each spring block is formed into an inclined plane, and the direction of each inclined plane is inclined towards the direction of.

By adopting the technical scheme, the structure of the spring block and the spring groove is increased, and the reset spring acts on the spring block, so that the end part of the spring block is clamped with the clamping groove, and the lower part is further positioned; the reason that adopts this department location is mainly because, when the pure use screw-thread fit, can receive external force at pivoted in-process cutter for lower part has the pivoted trend, if there is the trend of unscrewing to the screw-thread fit, then connects unstably, if there is the trend of screwing, subsequent dismantlement of being not convenient for, adopts this department location, can reduce the influence that the rotation process caused lower part installation.

The present invention may be further configured in a preferred embodiment as: the spring block is connected with a horizontal movable rod, the movable rod is movably installed in the positioning groove, the reset spring is sleeved outside the movable rod, and one end of the movable rod extends to the outside of the positioning groove and is connected with the rotating block.

Through adopting above-mentioned technical scheme, increased the structure of movable rod, when needs are dismantled, outside pulling movable rod can drive the spring block and remove for spring block tip and draw-in groove separation are convenient for smooth take out the lower part.

The present invention may be further configured in a preferred embodiment as: the turning block and the movable rod are connected in a rotating mode, the rotating center line is the axis of the movable rod, a connecting rod is arranged on one side, close to the milling cutter disc, of the turning block, the connecting rod comprises a horizontal portion and an arc-shaped portion, notches corresponding to the positions of the connecting rod are formed in the two sides of the milling cutter disc, and arc-shaped grooves matched with the arc-shaped portions are formed in the end portions of the notches.

Through adopting above-mentioned technical scheme, used the structure of connecting rod and arc pole on the turning block, after the spring block resets, the notch has been sent into to the connecting rod, and the turning block rotates and drives the arc pole and enters into the arc wall, has played the fixed effect to the turning block, and centrifugal force is to the influence that the spring block caused when the milling cutter dish rotates.

The present invention may be further configured in a preferred embodiment as: the lower component is provided with a reference hole, the reference hole is positioned right above the clamping groove, the milling cutter disc is provided with an observation hole communicated with the mounting groove and the outside of the milling cutter disc, and the observation hole is positioned right above the positioning groove.

Through adopting above-mentioned technical scheme, increased the structure of reference hole and observation hole, when the rotation of part down, come the observation reference hole through the observation hole and whether position corresponds rather than, judge whether accomplished the cooperation of spring block and draw-in groove, can also install the pin rod through interference fit's mode in observation hole and reference hole junction, strengthen its connection.

The present invention may be further configured in a preferred embodiment as: the milling cutter disc is provided with a supporting plate, the supporting plate is abutted against the bottom of the cutter body, the supporting plate is provided with a groove, and the groove is positioned above the positioning groove.

By adopting the technical scheme, the structure of the groove on the supporting plate is added, and when the observation hole is observed according to the position of the reference hole, the lighting is convenient to carry out, and the observation is convenient.

To sum up, the utility model discloses a following at least one useful technological effect:

the structure of the connecting column is used for connecting the milling cutter head and the milling cutter, when the milling cutter is installed, the connecting column is installed in the installation groove, the cutter is sleeved outside the upper part, and the positioning nut is screwed, so that the installation and the disassembly are convenient; the extrusion force of the cutter instead of the nut is driven by the structure of the connecting strip, so that the cutter is more stably mounted on the milling cutter disc;

the structure of the spring block in the spring groove is added for positioning the connecting column, so that the connecting column is more stably installed on the milling cutter head, and the influence of external force on the connecting column when the cutter is used is reduced;

the cutter body and the blade can be detachably connected, and after the blade is damaged, only a single blade needs to be replaced, the whole cutter does not need to be detached, and the working efficiency is improved.

Drawings

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

fig. 2 is a schematic vertical section of the present invention;

fig. 3 is a schematic view of the connection between the rotary block and the milling cutter head according to the present invention;

fig. 4 is a schematic view of the structure of the rotating block of the present invention.

Reference numerals: 1. a milling cutter disc; 10. mounting grooves; 11. a support plate; 12. a stud; 13. a card slot; 14. a spring block; 15. positioning a groove; 16. a return spring; 17. a movable rod; 18. an observation hole; 2. a cutter body; 21. a blade; 22. a screw; 23. positioning a nut; 24. connecting grooves; 25. a dovetail groove; 26. fastening screws; 27. a slide bar; 3. connecting columns; 31. an upper member; 32. a lower member; 33. a connecting strip; 4. rotating the block; 41. a horizontal portion; 42. an arc-shaped portion; 5. a bump; 51. a notch; 52. an arc-shaped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an end mill cutter structure, including cutter body 2 and the facing cutter 1 of installation cutter body 2, be provided with mounting groove 10 and install spliced pole 3 in the facing cutter 1.

Referring to fig. 1 and 2, the cutter body 2 is sleeved outside the connecting column 3, the connecting column 3 comprises an upper component 31 connected with the cutter body 2 and a lower component 32 connected with the mounting groove 10, the bottom of the mounting groove 10 is provided with a vertical stud 12, the bottom of the connecting column 3 is provided with an internal thread groove and is in threaded fit with the stud 12, and a positioning piece is arranged in the connecting disc and in the mounting groove 10. A plurality of connecting grooves 24 are formed in the inner side of the cutter body 2, and connecting strips 33 matched with the connecting grooves 24 are arranged on the periphery of the upper part 31. The length directions of the connecting strips 33 and the connecting grooves 24 are arranged along the axial direction of the connecting column 3, and a plurality of blades 21 are arranged around the cutter body 2. The upper part 31 is connected with a screw 22 and is provided with a positioning nut 23, the positioning nut 23 is in threaded fit with the screw 22, and the bottom of the positioning nut 23 is tightly propped against the top of the cutter body 2.

Referring to fig. 1 and 2, a dovetail groove 25 is formed in the outer side of the cutter body 2, a slide bar 27 matched with the dovetail groove 25 is arranged on the blade 21, the dovetail grooves 25 and the connecting grooves 24 are identical in number and correspond in position to one, and the blade 21 is connected with the cutter body 2 through a fastener. The fastening piece comprises fastening screws 26, at least two fastening screws 26 are arranged in each connecting groove 24, the fastening screws 26 extend into the dovetail grooves 25 and are in threaded fit with the blades 21, and two sides of nuts of the fastening screws 26 are respectively abutted with the groove bottoms of the connecting grooves 24 and the connecting strips 33. The connection between the insert 21 and the tool body 2 is achieved after tightening the tightening screw 26.

Referring to fig. 1 and 2, the lower member 32 is provided with a reference hole, the reference hole is located right above the clamping groove 13, the milling cutter disc 1 is provided with an observation hole 18 communicating the mounting groove 10 and the exterior of the milling cutter disc 1, and the observation hole 18 is located right above the positioning groove 15. The milling cutter head 1 is provided with a supporting plate 11, the supporting plate 11 is abutted against the bottom of the cutter body 2, the supporting plate 11 is provided with a groove, and the groove is positioned above the positioning groove 15.

Referring to fig. 1 and 2, positioning grooves 15 are formed in two sides of the mounting groove 10 of the milling cutter head 1, each positioning piece comprises a spring block 14 movably mounted in the corresponding positioning groove 15, the end portion of each spring block 14 extends into the mounting groove 10, a return spring 16 is arranged in each positioning groove 15, two ends of each return spring 16 are respectively connected with the bottoms of the corresponding spring block 14 and the corresponding positioning groove 15, clamping grooves 13 matched with the end portions of the corresponding spring blocks 13 are formed in two sides of the lower component 32, inclined planes are formed in the tops of the corresponding spring blocks 14, and the inclined planes are inclined in the direction from top to bottom towards the direction. After the connection between the upper part 31 and the stud 12 is performed, the end of the slot 13 and the end of the spring block 14 are matched with each other, so that the lower part 32 is further positioned and is not easy to loosen from the stud 12 due to rotation.

Referring to fig. 2-4, the spring block 14 is connected to a horizontal movable rod 17, the movable rod 17 is movably installed in the positioning slot 15, the return spring 16 is sleeved outside the movable rod 17, and one end of the movable rod 17 extends to the outside of the positioning slot 15 and is connected to the rotating block 4. The turning block 4 is connected with the movable rod 17 in a rotating mode, the rotating center line is the axis of the movable rod 17, a connecting rod is arranged on one side, close to the milling cutter disc 1, of the turning block 4 and comprises a horizontal portion 41 and an arc portion 42, a protruding block 5 is formed in the side face of the milling cutter disc 1, a notch 51 corresponding to the position of the connecting rod is formed in the protruding block 5, and an arc-shaped groove 52 matched with the arc portion 42 is formed in the end portion of the notch 51. After the spring block 14 and the card slot 13 are mated, the horizontal portion 41 is fed into the notch 51, and with this configuration, the configuration of the spring block 14 can be positioned, reducing the effect of centrifugal force.

The implementation principle of the embodiment is as follows: the structure of the connecting column 3 is used for connecting the milling cutter disc 1 and a milling cutter, a plurality of connecting columns 3 with different sizes can be prepared during use, the sizes of the lower parts 32 of the connecting columns 3 are uniform, but the sizes of the upper parts 31 are different, so that the milling cutter disc 1 can be normally used when cutters with different sizes face, and the applicability of the milling cutter disc 1 is improved; when the mounting is carried out, the connecting column 3 is mounted in the mounting groove 10, the cutter is sleeved outside the upper part 31, and the positioning nut 23 is screwed tightly, so that the mounting and dismounting are convenient; and the structure of the connecting strip 33 drives the extrusion force of the cutter instead of the nut, so that the cutter is more stably installed on the milling cutter disc 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a vertical milling machine cutter structure, includes cutter body (2) and milling cutter dish (1) of installation cutter body (2), its characterized in that: the milling cutter head (1) is internally provided with a mounting groove (10) and a connecting column (3), the cutter body (2) is sleeved outside the connecting column (3), the connecting column (3) comprises an upper part (31) connected with the cutter body (2) and a lower part (32) connected with the mounting groove (10), a vertical stud (12) is arranged at the bottom of the mounting groove (10), the bottom of the connecting column (3) is provided with an inner thread groove and is in threaded fit with the stud (12), and a positioning part is arranged in the connecting disc and the mounting groove (10); a plurality of connecting grooves (24) are formed in the inner side of the cutter body (2), and connecting strips (33) matched with the connecting grooves (24) are arranged on the periphery of the upper part (31); the length directions of the connecting strips (33) and the connecting grooves (24) are arranged along the axial direction of the connecting column (3), and a plurality of blades (21) are arranged on the periphery of the cutter body (2); the upper part (31) is provided with a screw rod (22) and is provided with a positioning nut (23), the positioning nut (23) is in threaded fit with the screw rod (22), and the bottom of the positioning nut (23) is tightly propped against the top of the cutter body (2).

2. A vertical milling machine tool construction according to claim 1, characterized in that: the outer side of the cutter body (2) is provided with a dovetail groove (25), the blade (21) is provided with a slide bar (27) matched with the dovetail groove (25), the dovetail groove (25) and the connecting groove (24) are identical in number and are in one-to-one correspondence in position, and the blade (21) is connected with the cutter body (2) through a fastener.

3. A vertical milling machine cutter structure according to claim 2, characterized in that: the fastening piece comprises fastening screws (26), at least two fastening screws (26) are arranged in each connecting groove (24), the fastening screws (26) extend into the dovetail grooves (25) and are in threaded fit with the blades (21), and two sides of nuts of the fastening screws (26) are respectively connected with the groove bottoms of the connecting grooves (24) and the connecting strips (33) in an abutting mode.

4. A vertical milling machine tool construction according to claim 1, characterized in that: the milling cutter head (1) is provided with a positioning groove (15) in the side face of the mounting groove (10), the positioning piece comprises a spring block (14) movably mounted in the positioning groove (15), the end part of the spring block (14) extends into the mounting groove (10), a return spring (16) is arranged in the positioning groove (15), two ends of the return spring (16) are respectively connected with the bottoms of the spring block (14) and the positioning groove (15), clamping grooves (13) matched with the end part of the spring block (14) are formed in two sides of the lower part (32), an inclined plane is formed at the top of the spring block (14), and the direction of the inclined plane is inclined towards the direction of the stud (12) from top to bottom.

5. An end mill cutter structure according to claim 4, characterized in that: spring block (14) are connected with horizontally movable rod (17), and movable rod (17) movable mounting is in constant head tank (15), and reset spring (16) cover is established in movable rod (17) outside, and movable rod (17) one end extends to constant head tank (15) outside and is connected with turning block (4).

6. An end mill cutter structure according to claim 5, characterized in that: the rotary block (4) and the movable rod (17) are rotatably connected, the rotation center line is the axis of the movable rod (17), a connecting rod is arranged on one side, close to the milling cutter disc (1), of the rotary block (4), the connecting rod comprises a horizontal portion (41) and an arc-shaped portion (42), notches (51) corresponding to the positions of the connecting rod are formed in two sides of the milling cutter disc (1), and arc-shaped grooves (52) matched with the arc-shaped portion (42) are formed in the end portions of the notches (51).

7. An end mill cutter structure according to claim 5, characterized in that: the lower component (32) is provided with a reference hole, the reference hole is positioned right above the clamping groove (13), the milling cutter disc (1) is provided with an observation hole (18) communicated with the mounting groove (10) and the exterior of the milling cutter disc (1), and the observation hole (18) is positioned right above the positioning groove (15).

8. An end mill cutter structure according to claim 7, characterized in that: the milling cutter head (1) is provided with a supporting plate (11), the supporting plate (11) is abutted against the bottom of the cutter body (2), the supporting plate (11) is provided with a groove, and the groove is positioned above the positioning groove (15).